def makePlot(s): if (type(s) == TH1D): s.SetStats(0) x = RooRealVar("x", "x", 0, 3) l = RooArgList(x) dh = RooDataHist("dh", "dh", l, s) frame = x.frame() dh.plotOn(frame) #frame.SetTitle(name) #frame.GetXaxis().SetTitle(s.GetXaxis().GetTitle()) frame.GetYaxis().SetTitle(s.GetYaxis().GetTitle()) # frame.GetYaxis().SetTopMargin(0.15) #frame.Draw(draw) return frame elif (type(s) == TH2D): s.SetStats(0) x = RooRealVar("x", "x", 0, 3) y = RooRealVar("y", "y", 0, 3) l = RooArgList(x, y) dh = RooDataHist("dh", "dh", l, s) t = TGraph2D(s) s.SetMarkerSize(1.0) s.SetMarkerStyle(1) #t.GetXaxis().SetTitle(s.GetXaxis().GetTitle()) return s elif (type(s) == TGraph2D): s.SetMarkerSize(1.0) s.SetMarkerStyle(1) return s
def DoRooFit(histo, title): can = makeCMSCanvas(str(random.random()),"Fit result ",900,700) #Varible if "ele" in title: x1 = RooRealVar("x1","m_{e^{+}e^{-}}",80,100) if "mu" in title: x1 = RooRealVar("x1","m_{#mu^{+}#mu^{-}}",80,100) #Define CB function m = RooRealVar("mean_{CB}","mean of gaussian",60,120) s = RooRealVar("#sigma_{CB}","width of gaussian",0,3) a = RooRealVar("#alpha_{CB}","mean of gaussian",0,100) n = RooRealVar("n_{CB}","width of gaussian",0,5) CB = RooCBShape("CB","CB PDF",x1, m, s, a, n) m.setConstant(kFALSE) s.setConstant(kFALSE) a.setConstant(kFALSE) n.setConstant(kFALSE) #Define Gaussian function mean1 = RooRealVar("mean_{G}","mean of gaussian",-60,60) sigma1 = RooRealVar("#sigma_{G}","width of gaussian",0,10) gauss1 = RooGaussian("gauss1","gaussian PDF",x1,mean1,sigma1) mean1.setConstant(kFALSE) sigma1.setConstant(kFALSE) #Starting values of the parameters mean1.setVal(1.0) sigma1.setVal(1.0) m.setVal(90.0) s.setVal(1.0) a.setVal(10.0) n.setVal(2.0) # Construct CB (x) gauss x1.setBins(10000, "cache") CBxG = RooFFTConvPdf("CBxG", "CB (X) gauss", x1, CB, gauss1) can.cd() d = RooDataHist("d","d",RooArgList(x1),RooFit.Import(histo)) CBxG.fitTo(d, RooLinkedList()) # Plot PDF and toy data overlaid xframe2 = x1.frame(RooFit.Name("xframe"),RooFit.Title("")) # RooPlot d.plotOn(xframe2, RooLinkedList() ) CBxG.paramOn(xframe2, RooFit.Layout(0.65,0.99,0.9)) xframe2.getAttText().SetTextSize(0.03) CBxG.plotOn(xframe2) xframe2.Draw() can.SaveAs("DataVsMC/FitResults/"+title+"_Roofit.pdf") can.SaveAs("DataVsMC/FitResults/"+title+"_Roofit.png") return;
def saveLandauHistoAmplitude(histo, outfile, canvas, XaxisTitle="", YaxisTitle="", plotTitle="", stats=0): ex = "Null Fit" amplitude = RooRealVar("amplitude", "Cluster Amplitude", 0, 5000) landau_data = RooDataHist("landau_data", "landau_data", RooArgList(amplitude), histo) ml = RooRealVar("ml", "mean landau", 1500., 1000, 2000) sl = RooRealVar("sl", "sigma landau", 250, 100, 1000) landau = RooLandau("lx", "lx", amplitude, ml, sl) mg = RooRealVar("mg", "mg", 0) sg = RooRealVar("sg", "sg", 100, 20, 500) gauss = RooGaussian("gauss", "gauss", amplitude, mg, sg) lxg = RooNumConvPdf("lxg", "lxg", amplitude, landau, gauss) result = lxg.fitTo(landau_data) frame = amplitude.frame() landau_data.plotOn(frame) lxg.plotOn(frame) frame.Draw("") frame.SetTitle(plotTitle) frame.GetXaxis().SetTitle(XaxisTitle) frame.GetYaxis().SetTitle(YaxisTitle) frame.SetStats(stats) frame.Write(plotTitle) canvas.Print(outfile + ".pdf") peak = [] try: mean = RooRealVar(result.floatParsFinal().find("landau_mean")) err = RooRealVar(mean.errorVar()) peak.append(mean.GetVal()) peak.append(err.GetVal()) except Exception as ex: print(ex) peak.append(0) peak.append(0) return peak
def saveLandauHistoSignalToNoise(histo,outfile,canvas,XaxisTitle="",YaxisTitle="",plotTitle="",stats=0): ex = "Null Fit" signal_to_noise = RooRealVar("signal_to_noise", "Signal to Noise", 0, 50) landau_data = RooDataHist("landau_data", "landau_data", RooArgList(signal_to_noise), histo) ml = RooRealVar("ml","mean landau",25, 20, 26) sl = RooRealVar("sl","sigma landau", 5, 2, 10) landau = RooLandau("lx","lx",signal_to_noise,ml,sl) mg = RooRealVar("mg","mg",0) ; sg = RooRealVar("sg","sg", 2, 1, 8) gauss = RooGaussian("gauss","gauss",signal_to_noise,mg,sg) lxg = RooNumConvPdf("lxg", "lxg", signal_to_noise, landau, gauss) result = lxg.fitTo(landau_data) frame = signal_to_noise.frame() landau_data.plotOn(frame) lxg.plotOn(frame) frame.Draw("") frame.SetTitle(plotTitle) frame.GetXaxis().SetTitle(XaxisTitle) frame.GetYaxis().SetTitle(YaxisTitle) frame.SetStats(stats) frame.Write(plotTitle) canvas.Print(outfile+".pdf") peak = [] try: mean = RooRealVar(result.floatParsFinal().find("landau_mean")) err = RooRealVar(mean.errorVar()) peak.append(mean.GetVal()) peak.append(err.GetVal()) except Exception as ex: print(ex) peak.append(0) peak.append(0) return peak
def main(options, args): from ROOT import gSystem, gROOT, gStyle gROOT.SetBatch() gSystem.Load("libRooFitCore") if options.doWebPage: from lip.Tools.rootutils import loadToolsLib, apply_modifs loadToolsLib() from ROOT import TFile, RooFit, RooArgSet, RooDataHist, RooKeysPdf, RooHistPdf, TCanvas, TLegend, TLatex, TArrow, TPaveText, RooAddPdf, RooArgList from ROOT import kWhite, kBlue, kOpenSquare if options.doWebPage: from ROOT import HtmlHelper, HtmlTag, HtmlTable, HtmlPlot rootglobestyle.setTDRStyle() gStyle.SetMarkerSize(1.5) gStyle.SetTitleYOffset(1.5) gStyle.SetPadLeftMargin(0.16) gStyle.SetPadRightMargin(0.05) gStyle.SetPadTopMargin(0.05) gStyle.SetPadBottomMargin(0.13) gStyle.SetLabelFont(42, "XYZ") gStyle.SetLabelOffset(0.007, "XYZ") gStyle.SetLabelSize(0.05, "XYZ") gStyle.SetTitleSize(0.06, "XYZ") gStyle.SetTitleXOffset(0.9) gStyle.SetTitleYOffset(1.24) gStyle.SetTitleFont(42, "XYZ") ## ## Read files ## options.outdir = "%s_m%1.0f" % (options.outdir, options.mH) if options.fp: options.outdir += "_fp" ncat = options.ncat cats = options.cats if cats is "": categories = ["_cat%d" % i for i in range(0, ncat)] else: categories = ["_cat%s" % i for i in cats.split(",")] if options.mva: clables = { "_cat0": ("MVA > 0.89", ""), "_cat1": ("0.74 #leq MVA", "MVA < 0.89"), "_cat2": ("0.545 #leq MVA", "MVA < 0.74"), "_cat3": ("0.05 #leq MVA", "MVA < 0.545"), "_cat4": ("Di-jet", "Tagged"), "_cat5": ("Di-jet", "Tagged"), "_combcat": ("All Classes", "Combined") } else: clables = { "_cat0": ("max(|#eta|<1.5", "min(R_{9})>0.94"), "_cat1": ("max(|#eta|<1.5", "min(R_{9})<0.94"), "_cat2": ("max(|#eta|>1.5", "min(R_{9})>0.94"), "_cat3": ("max(|#eta|>1.5", "min(R_{9})<0.94"), "_cat4": ("Di-jet", "Tagged"), "_cat5": ("Di-jet", "Tagged"), "_combcat": ("All Classes", "Combined") } helper = Helper() fin = TFile.Open(options.infile) helper.files.append(fin) ws = fin.Get("cms_hgg_workspace") mass = ws.var("CMS_hgg_mass") mass.SetTitle("m_{#gamma#gamma}") mass.setUnit("GeV") mass.setRange(100., 150.) mass.setBins(100, "plot") mass.setBins(5000) print ws aset = RooArgSet(mass) helper.objs.append(mass) helper.objs.append(aset) fitopt = (RooFit.Minimizer("Minuit2", ""), RooFit.Minos(False), RooFit.SumW2Error(False), RooFit.NumCPU(8)) if not options.binned and not options.refit: finpdf = TFile.Open(options.infilepdf) helper.files.append(finpdf) wspdf = finpdf.Get("wsig") else: wspdf = ws for c in categories: processes = ["ggh", "vbf", "wzh"] if options.fp: processes = ["vbf", "wzh"] ### elif clables[c][0] == "Di-jet": ### processes = [ "vbf", "ggh" ] dsname = "sig_mass_m%1.0f%s" % (options.mH, c) print dsname print ws ds = ws.data("sig_%s_mass_m%1.0f%s" % (processes[0], options.mH, c)).Clone(dsname) for proc in processes[1:]: ds.append(ws.data("sig_%s_mass_m%1.0f%s" % (proc, options.mH, c))) helper.dsets.append(ds) if options.binned: binned_ds = RooDataHist("binned_%s" % dsname, "binned_%s" % dsname, aset, ds) pdf = RooKeysPdf("pdf_%s_%s" % (dsname, f), "pdf_%s" % dsname, mass, ds) plot_pdf = RooHistPdf("pdf_%s" % dsname, "pdf_%s" % dsname, aset, plot_ds) helper.add(binned_ds, binned_ds.GetName()) else: if options.refit: if options.refitall and clables[c][0] != "Di-jet": rpdfs = [] for proc in processes: for ngaus in range(1, 4): pp = build_pdf(ws, "%s_%s" % (c, proc), ngaus, ngaus == 3) pp.fitTo( ws.data("sig_%s_mass_m%1.0f%s" % (proc, options.mH, c)), RooFit.Strategy(0), *fitopt) rpdfs.append(pp) pdf = RooAddPdf("hggpdfrel%s" % c, "hggpdfrel%s" % c, RooArgList(*tuple(rpdfs))) else: if options.refitall and clables[c][0] == "Di-jet": for ngaus in range(1, 5): pdf = build_pdf(ws, c, ngaus, ngaus == 5) pdf.fitTo(ds, RooFit.Strategy(0), *fitopt) else: for ngaus in range(1, 4): pdf = build_pdf(ws, c, ngaus, ngaus == 3) pdf.fitTo(ds, RooFit.Strategy(0), *fitopt) else: pdfs = (wspdf.pdf("hggpdfrel%s_%s" % (c, p)) for p in processes) pdf = RooAddPdf("hggpdfrel%s" % c, "hggpdfrel%s" % c, RooArgList(*pdfs)) helper.add(pdf, pdf.GetName()) plot_pdf = pdf.Clone("pdf_%s" % dsname) plot_ds = RooDataHist("plot_%s" % dsname, "plot_%s" % dsname, aset, "plot") plot_ds.add(ds) cdf = pdf.createCdf(aset) hmin, hmax, hm = get_FWHM(mass, pdf, cdf, options.mH - 10., options.mH + 10.) wmin, wmax = get_eff_sigma(mass, pdf, cdf, options.mH - 10., options.mH + 10.) ### hmin, hmax, hm = get_FWHM( points ) helper.add(plot_ds, plot_ds.GetName()) helper.add(plot_pdf, plot_pdf.GetName()) helper.add((wmin, wmax), "eff_sigma%s" % c) helper.add((hmin, hmax, hm), "FWHM%s" % c) helper.add(ds.sumEntries(), "sumEntries%s" % c) # signal model integral # data integral for PAS tables data = ws.data("data_mass%s" % c) helper.add( data.sumEntries("CMS_hgg_mass>=%1.4f && CMS_hgg_mass<=%1.4f" % (options.mH - 10., options.mH + 10.)), "data_sumEntries%s" % c) del cdf del pdf dsname = "sig_mass_m%1.0f_combcat" % options.mH print dsname combined_ds = helper.dsets[0].Clone(dsname) for d in helper.dsets[1:]: combined_ds.append(d) if options.binned: binned_ds = RooDataHist("binned_%s" % dsname, "binned_%s" % dsname, aset, combined_ds) pdf = RooKeysPdf("pdf_%s" % (dsname), "pdf_%s" % dsname, mass, combined_ds) plot_pdf = RooHistPdf("pdf_%s" % dsname, "pdf_%s" % dsname, aset, plot_ds) helper.add(binned_ds, binned_ds.GetName()) else: #### pdf = build_pdf(ws,"_combcat") #### pdf.fitTo(combined_ds, RooFit.Strategy(0), *fitopt ) #### plot_pdf = pdf.Clone( "pdf_%s" % dsname ) pdf = RooAddPdf( "pdf_%s" % dsname, "pdf_%s" % dsname, RooArgList(*(helper.histos["hggpdfrel%s" % c] for c in categories))) plot_pdf = pdf cdf = pdf.createCdf(aset) plot_ds = RooDataHist("plot_%s" % dsname, "plot_%s" % dsname, aset, "plot") plot_ds.add(combined_ds) wmin, wmax = get_eff_sigma(mass, pdf, cdf, options.mH - 10., options.mH + 10.) hmin, hmax, hm = get_FWHM(mass, pdf, cdf, options.mH - 10., options.mH + 10.) helper.add(plot_ds, plot_ds.GetName()) helper.add(plot_pdf, plot_pdf.GetName()) helper.add((wmin, wmax), "eff_sigma_combcat") helper.add((hmin, hmax, hm), "FWHM_combcat") helper.add(plot_ds.sumEntries(), "sumEntries_combcat") mass.setRange("higgsrange", options.mH - 25., options.mH + 15.) del cdf del pdf del helper.dsets ### label = TLatex(0.1812081,0.8618881,"#scale[0.8]{#splitline{CMS preliminary}{Simulation}}") label = TLatex(0.7, 0.86, "#scale[0.65]{#splitline{CMS preliminary}{Simulation}}") label.SetNDC(1) ## ## Make web page with plots ## if options.doWebPage: hth = HtmlHelper(options.outdir) hth.navbar().cell(HtmlTag("a")).firstChild().txt("..").set( "href", "../?C=M;O=D") hth.navbar().cell(HtmlTag("a")).firstChild().txt("home").set( "href", "./") tab = hth.body().add(HtmlTable()) ip = 0 for c in ["_combcat"] + categories: ### for c in categories: if options.doWebPage and ip % 4 == 0: row = tab.row() ip = ip + 1 dsname = "sig_mass_m%1.0f%s" % (options.mH, c) canv = TCanvas(dsname, dsname, 600, 600) helper.objs.append(canv) ### leg = TLegend(0.4345638,0.6835664,0.9362416,0.9178322) leg = TLegend(0.2, 0.96, 0.5, 0.55) #apply_modifs( leg, [("SetLineColor",kWhite),("SetFillColor",kWhite),("SetFillStyle",0),("SetLineStyle",0)] ) hplotcompint = mass.frame(RooFit.Bins(250), RooFit.Range("higgsrange")) helper.objs.append(hplotcompint) helper.objs.append(leg) plot_ds = helper.histos["plot_%s" % dsname] plot_pdf = helper.histos["pdf_%s" % dsname] wmin, wmax = helper.histos["eff_sigma%s" % c] hmin, hmax, hm = helper.histos["FWHM%s" % c] print hmin, hmax, hm style = (RooFit.LineColor(kBlue), RooFit.LineWidth(2), RooFit.FillStyle(0)) style_seff = ( RooFit.LineWidth(2), RooFit.FillStyle(1001), RooFit.VLines(), RooFit.LineColor(15), ) style_ds = (RooFit.MarkerStyle(kOpenSquare), ) plot_ds.plotOn(hplotcompint, RooFit.Invisible()) plot_pdf.plotOn(hplotcompint, RooFit.NormRange("higgsrange"), RooFit.Range(wmin, wmax), RooFit.FillColor(19), RooFit.DrawOption("F"), *style_seff) seffleg = hplotcompint.getObject(int(hplotcompint.numItems() - 1)) plot_pdf.plotOn(hplotcompint, RooFit.NormRange("higgsrange"), RooFit.Range(wmin, wmax), RooFit.LineColor(15), *style_seff) plot_pdf.plotOn(hplotcompint, RooFit.NormRange("higgsrange"), RooFit.Range("higgsrange"), *style) pdfleg = hplotcompint.getObject(int(hplotcompint.numItems() - 1)) plot_ds.plotOn(hplotcompint, *style_ds) pointsleg = hplotcompint.getObject(int(hplotcompint.numItems() - 1)) iob = int(hplotcompint.numItems() - 1) leg.AddEntry(pointsleg, "Simulation", "pe") leg.AddEntry(pdfleg, "Parametric model", "l") leg.AddEntry(seffleg, "#sigma_{eff} = %1.2f GeV " % (0.5 * (wmax - wmin)), "fl") clabel = TLatex(0.74, 0.65, "#scale[0.65]{#splitline{%s}{%s}}" % clables[c]) clabel.SetNDC(1) helper.objs.append(clabel) hm = hplotcompint.GetMaximum() * 0.5 * 0.9 ### hm = pdfleg.GetMaximum()*0.5 fwhmarrow = TArrow(hmin, hm, hmax, hm) fwhmarrow.SetArrowSize(0.03) helper.objs.append(fwhmarrow) fwhmlabel = TPaveText(0.20, 0.58, 0.56, 0.48, "brNDC") fwhmlabel.SetFillStyle(0) fwhmlabel.SetLineColor(kWhite) reducedFWHM = (hmax - hmin) / 2.3548200 fwhmlabel.AddText("FWHM/2.35 = %1.2f GeV" % reducedFWHM) helper.objs.append(fwhmlabel) hplotcompint.SetTitle("") hplotcompint.GetXaxis().SetNoExponent(True) hplotcompint.GetXaxis().SetTitle("m_{#gamma#gamma} (GeV)") hplotcompint.GetXaxis().SetNdivisions(509) ## hplotcompint.GetYaxis().SetTitle("A.U."); ## hplotcompint.GetYaxis().SetRangeUser(0.,hplotcompint.GetMaximum()*1.4); hplotcompint.Draw() leg.Draw("same") label.Draw("same") clabel.Draw("same") fwhmarrow.Draw("<>") fwhmlabel.Draw("same") plot_ds.sumEntries() if options.doWebPage: hpl = HtmlPlot(canv, False, "", True, True, True) hpl.caption("<i>%s</i>" % canv.GetTitle()) row.cell(hpl) else: if os.path.isdir(options.outdir) is False: os.mkdir(options.outdir) for ext in "C", "png", "pdf": canv.SaveAs( os.path.join(options.outdir, "%s.%s" % (canv.GetName(), ext))) if "comb" in c: ip = 0 if options.doWebPage: print "Creating pages..." hth.dump() for f in helper.files: f.Close() gROOT.Reset() from pprint import pprint pprint(helper) print 'Summary statistics per event class' print 'Cat\tSignal\t\tData/GeV (in %3.1f+/-10)\tsigEff\tFWHM/2.35' % options.mH sigTotal = 0. dataTotal = 0. for c in categories: sigVal = helper.histos["sumEntries%s" % c] datVal = helper.histos["data_sumEntries%s" % c] sigTotal += sigVal dataTotal += datVal for c in categories: sigVal = helper.histos["sumEntries%s" % c] datVal = helper.histos["data_sumEntries%s" % c] effSig = 0.5 * (helper.histos["eff_sigma%s" % c][1] - helper.histos["eff_sigma%s" % c][0]) fwhm = (helper.histos["FWHM%s" % c][1] - helper.histos["FWHM%s" % c][0]) / 2.3548200 print c, '\t%3.1f (%3.1f%%)\t%3.1f (%3.1f%%)\t\t\t%2.2f\t%2.2f' % ( sigVal, 100. * sigVal / sigTotal, datVal / (10. + 10.), 100. * datVal / dataTotal, effSig, fwhm) print "Done."
def main(): # usage description usage = "Example: ./scripts/createDatacards.py --inputData inputs/rawhistV7_Run2015D_scoutingPFHT_UNBLINDED_649_838_JEC_HLTplusV7_Mjj_cor_smooth.root --dataHistname mjj_mjjcor_gev --inputSig inputs/ResonanceShapes_gg_13TeV_Scouting_Spring15.root -f gg -o datacards -l 1866 --lumiUnc 0.027 --massrange 1000 1500 50 --runFit --p1 5 --p2 7 --p3 0.4 --massMin 838 --massMax 2037 --fitStrategy 2" # input parameters parser = ArgumentParser(description='Script that creates combine datacards and corresponding RooFit workspaces',epilog=usage) parser.add_argument("--inputData", dest="inputData", required=True, help="Input data spectrum", metavar="INPUT_DATA") parser.add_argument("--dataHistname", dest="dataHistname", required=True, help="Data histogram name", metavar="DATA_HISTNAME") parser.add_argument("--inputSig", dest="inputSig", required=True, help="Input signal shapes", metavar="INPUT_SIGNAL") parser.add_argument("-f", "--final_state", dest="final_state", required=True, help="Final state (e.g. qq, qg, gg)", metavar="FINAL_STATE") parser.add_argument("-f2", "--type", dest="atype", required=True, help="Type (e.g. hG, lG, hR, lR)") parser.add_argument("-o", "--output_path", dest="output_path", required=True, help="Output path where datacards and workspaces will be stored", metavar="OUTPUT_PATH") parser.add_argument("-l", "--lumi", dest="lumi", required=True, default=1000., type=float, help="Integrated luminosity in pb-1 (default: %(default).1f)", metavar="LUMI") parser.add_argument("--massMin", dest="massMin", default=500, type=int, help="Lower bound of the mass range used for fitting (default: %(default)s)", metavar="MASS_MIN") parser.add_argument("--massMax", dest="massMax", default=1200, type=int, help="Upper bound of the mass range used for fitting (default: %(default)s)", metavar="MASS_MAX") parser.add_argument("--p1", dest="p1", default=5.0000e-03, type=float, help="Fit function p1 parameter (default: %(default)e)", metavar="P1") parser.add_argument("--p2", dest="p2", default=9.1000e+00, type=float, help="Fit function p2 parameter (default: %(default)e)", metavar="P2") parser.add_argument("--p3", dest="p3", default=5.0000e-01, type=float, help="Fit function p3 parameter (default: %(default)e)", metavar="P3") parser.add_argument("--lumiUnc", dest="lumiUnc", required=True, type=float, help="Relative uncertainty in the integrated luminosity", metavar="LUMI_UNC") parser.add_argument("--jesUnc", dest="jesUnc", type=float, help="Relative uncertainty in the jet energy scale", metavar="JES_UNC") parser.add_argument("--jerUnc", dest="jerUnc", type=float, help="Relative uncertainty in the jet energy resolution", metavar="JER_UNC") parser.add_argument("--sqrtS", dest="sqrtS", default=13000., type=float, help="Collision center-of-mass energy (default: %(default).1f)", metavar="SQRTS") parser.add_argument("--fixP3", dest="fixP3", default=False, action="store_true", help="Fix the fit function p3 parameter") parser.add_argument("--runFit", dest="runFit", default=False, action="store_true", help="Run the fit") parser.add_argument("--fitBonly", dest="fitBonly", default=False, action="store_true", help="Run B-only fit") parser.add_argument("--fixBkg", dest="fixBkg", default=False, action="store_true", help="Fix all background parameters") parser.add_argument("--decoBkg", dest="decoBkg", default=False, action="store_true", help="Decorrelate background parameters") parser.add_argument("--fitStrategy", dest="fitStrategy", type=int, default=1, help="Fit strategy (default: %(default).1f)") parser.add_argument("--debug", dest="debug", default=False, action="store_true", help="Debug printout") parser.add_argument("--postfix", dest="postfix", default='', help="Postfix for the output file names (default: %(default)s)") parser.add_argument("--pyes", dest="pyes", default=False, action="store_true", help="Make files for plots") parser.add_argument("--jyes", dest="jyes", default=False, action="store_true", help="Make files for JES/JER plots") parser.add_argument("--pdir", dest="pdir", default='testarea', help="Name a directory for the plots (default: %(default)s)") parser.add_argument("--chi2", dest="chi2", default=False, action="store_true", help="Compute chi squared") parser.add_argument("--widefit", dest="widefit", default=False, action="store_true", help="Fit with wide bin hist") mass_group = parser.add_mutually_exclusive_group(required=True) mass_group.add_argument("--mass", type=int, nargs = '*', default = 1000, help="Mass can be specified as a single value or a whitespace separated list (default: %(default)i)" ) mass_group.add_argument("--massrange", type=int, nargs = 3, help="Define a range of masses to be produced. Format: min max step", metavar = ('MIN', 'MAX', 'STEP') ) mass_group.add_argument("--masslist", help = "List containing mass information" ) args = parser.parse_args() if args.atype == 'hG': fstr = "bbhGGBB" in2 = 'bcorrbin/binmodh.root' elif args.atype == 'hR': fstr = "bbhRS" in2 = 'bcorrbin/binmodh.root' elif args.atype == 'lG': fstr = "bblGGBB" in2 = 'bcorrbin/binmodl.root' else: fstr = "bblRS" in2 = 'bcorrbin/binmodl.root' # check if the output directory exists if not os.path.isdir( os.path.join(os.getcwd(),args.output_path) ): os.mkdir( os.path.join(os.getcwd(),args.output_path) ) # mass points for which resonance shapes will be produced masses = [] if args.massrange != None: MIN, MAX, STEP = args.massrange masses = range(MIN, MAX+STEP, STEP) elif args.masslist != None: # A mass list was provided print "Will create mass list according to", args.masslist masslist = __import__(args.masslist.replace(".py","")) masses = masslist.masses else: masses = args.mass # sort masses masses.sort() # import ROOT stuff from ROOT import gStyle, TFile, TH1F, TH1D, TGraph, kTRUE, kFALSE, TCanvas, TLegend, TPad, TLine from ROOT import RooHist, RooRealVar, RooDataHist, RooArgList, RooArgSet, RooAddPdf, RooFit, RooGenericPdf, RooWorkspace, RooMsgService, RooHistPdf if not args.debug: RooMsgService.instance().setSilentMode(kTRUE) RooMsgService.instance().setStreamStatus(0,kFALSE) RooMsgService.instance().setStreamStatus(1,kFALSE) # input data file inputData = TFile(args.inputData) # input data histogram hData = inputData.Get(args.dataHistname) inData2 = TFile(in2) hData2 = inData2.Get('h_data') # input sig file inputSig = TFile(args.inputSig) sqrtS = args.sqrtS # mass variable mjj = RooRealVar('mjj','mjj',float(args.massMin),float(args.massMax)) # integrated luminosity and signal cross section lumi = args.lumi signalCrossSection = 1. # set to 1. so that the limit on r can be interpreted as a limit on the signal cross section for mass in masses: print ">> Creating datacard and workspace for %s resonance with m = %i GeV..."%(args.final_state, int(mass)) # get signal shape hSig = inputSig.Get( "h_" + args.final_state + "_" + str(int(mass)) ) # normalize signal shape to the expected event yield (works even if input shapes are not normalized to unity) hSig.Scale(signalCrossSection*lumi/hSig.Integral()) # divide by a number that provides roughly an r value of 1-10 rooSigHist = RooDataHist('rooSigHist','rooSigHist',RooArgList(mjj),hSig) print 'Signal acceptance:', (rooSigHist.sumEntries()/hSig.Integral()) signal = RooHistPdf('signal','signal',RooArgSet(mjj),rooSigHist) signal_norm = RooRealVar('signal_norm','signal_norm',0,-1e+05,1e+05) if args.fitBonly: signal_norm.setConstant() p1 = RooRealVar('p1','p1',args.p1,0.,100.) p2 = RooRealVar('p2','p2',args.p2,0.,60.) p3 = RooRealVar('p3','p3',args.p3,-10.,10.) p4 = RooRealVar('p4','p4',5.6,-50.,50.) p5 = RooRealVar('p5','p5',10.,-50.,50.) p6 = RooRealVar('p6','p6',.016,-50.,50.) p7 = RooRealVar('p7','p7',8.,-50.,50.) p8 = RooRealVar('p8','p8',.22,-50.,50.) p9 = RooRealVar('p9','p9',14.1,-50.,50.) p10 = RooRealVar('p10','p10',8.,-50.,50.) p11 = RooRealVar('p11','p11',4.8,-50.,50.) p12 = RooRealVar('p12','p12',7.,-50.,50.) p13 = RooRealVar('p13','p13',7.,-50.,50.) p14 = RooRealVar('p14','p14',7.,-50.,50.) p15 = RooRealVar('p15','p15',1.,-50.,50.) p16 = RooRealVar('p16','p16',9.,-50.,50.) p17 = RooRealVar('p17','p17',0.6,-50.,50.) if args.fixP3: p3.setConstant() background = RooGenericPdf('background','(pow(1-@0/%.1f,@1)/pow(@0/%.1f,@2+@3*log(@0/%.1f)))'%(sqrtS,sqrtS,sqrtS),RooArgList(mjj,p1,p2,p3)) dataInt = hData.Integral(hData.GetXaxis().FindBin(float(args.massMin)),hData.GetXaxis().FindBin(float(args.massMax))) background_norm = RooRealVar('background_norm','background_norm',dataInt,0.,1e+08) background2 = RooGenericPdf('background2','(pow(@0/%.1f,-@1)*pow(1-@0/%.1f,@2))'%(sqrtS,sqrtS),RooArgList(mjj,p4,p5)) dataInt2 = hData.Integral(hData.GetXaxis().FindBin(float(args.massMin)),hData.GetXaxis().FindBin(float(args.massMax))) background_norm2 = RooRealVar('background_norm2','background_norm2',dataInt2,0.,1e+08) background3 = RooGenericPdf('background3','(1/pow(@1+@0/%.1f,@2))'%(sqrtS),RooArgList(mjj,p6,p7)) dataInt3 = hData.Integral(hData.GetXaxis().FindBin(float(args.massMin)),hData.GetXaxis().FindBin(float(args.massMax))) background_norm3 = RooRealVar('background_norm3','background_norm3',dataInt3,0.,1e+08) background4 = RooGenericPdf('background4','(1/pow(@1+@2*@0/%.1f+pow(@0/%.1f,2),@3))'%(sqrtS,sqrtS),RooArgList(mjj,p8,p9,p10)) dataInt4 = hData.Integral(hData.GetXaxis().FindBin(float(args.massMin)),hData.GetXaxis().FindBin(float(args.massMax))) background_norm4 = RooRealVar('background_norm4','background_norm4',dataInt4,0.,1e+08) background5 = RooGenericPdf('background5','(pow(@0/%.1f,-@1)*pow(1-pow(@0/%.1f,1/3),@2))'%(sqrtS,sqrtS),RooArgList(mjj,p11,p12)) dataInt5 = hData.Integral(hData.GetXaxis().FindBin(float(args.massMin)),hData.GetXaxis().FindBin(float(args.massMax))) background_norm5 = RooRealVar('background_norm5','background_norm5',dataInt5,0.,1e+08) background6 = RooGenericPdf('background6','(pow(@0/%.1f,2)+@1*@0/%.1f+@2)'%(sqrtS,sqrtS),RooArgList(mjj,p13,p14)) dataInt6 = hData.Integral(hData.GetXaxis().FindBin(float(args.massMin)),hData.GetXaxis().FindBin(float(args.massMax))) background_norm6 = RooRealVar('background_norm6','background_norm6',dataInt6,0.,1e+08) background7 = RooGenericPdf('background7','((-1+@1*@0/%.1f)*pow(@0/%.1f,@2+@3*log(@0/%.1f)))'%(sqrtS,sqrtS,sqrtS),RooArgList(mjj,p15,p16,p17)) dataInt7 = hData.Integral(hData.GetXaxis().FindBin(float(args.massMin)),hData.GetXaxis().FindBin(float(args.massMax))) background_norm7 = RooRealVar('background_norm7','background_norm7',dataInt7,0.,1e+08) # S+B model model = RooAddPdf("model","s+b",RooArgList(background,signal),RooArgList(background_norm,signal_norm)) model2 = RooAddPdf("model2","s+b2",RooArgList(background2,signal),RooArgList(background_norm2,signal_norm)) model3 = RooAddPdf("model3","s+b3",RooArgList(background3,signal),RooArgList(background_norm3,signal_norm)) model4 = RooAddPdf("model4","s+b4",RooArgList(background4,signal),RooArgList(background_norm4,signal_norm)) model5 = RooAddPdf("model5","s+b5",RooArgList(background5,signal),RooArgList(background_norm5,signal_norm)) model6 = RooAddPdf("model6","s+b6",RooArgList(background6,signal),RooArgList(background_norm6,signal_norm)) model7 = RooAddPdf("model7","s+b7",RooArgList(background7,signal),RooArgList(background_norm7,signal_norm)) rooDataHist = RooDataHist('rooDatahist','rooDathist',RooArgList(mjj),hData) if args.runFit: mframe = mjj.frame() rooDataHist.plotOn(mframe, ROOT.RooFit.Name("setonedata"), ROOT.RooFit.Invisible()) res = model.fitTo(rooDataHist, RooFit.Save(kTRUE), RooFit.Strategy(args.fitStrategy)) model.plotOn(mframe, ROOT.RooFit.Name("model1"), ROOT.RooFit.LineStyle(1), ROOT.RooFit.LineWidth(1), ROOT.RooFit.LineColor(ROOT.EColor.kRed)) res2 = model2.fitTo(rooDataHist, RooFit.Save(kTRUE), RooFit.Strategy(args.fitStrategy)) model2.plotOn(mframe, ROOT.RooFit.Name("model2"), ROOT.RooFit.LineStyle(1), ROOT.RooFit.LineWidth(1), ROOT.RooFit.LineColor(ROOT.EColor.kOrange)) res3 = model3.fitTo(rooDataHist, RooFit.Save(kTRUE), RooFit.Strategy(args.fitStrategy)) model3.plotOn(mframe, ROOT.RooFit.Name("model3"), ROOT.RooFit.LineStyle(1), ROOT.RooFit.LineWidth(1), ROOT.RooFit.LineColor(ROOT.EColor.kGreen)) res4 = model4.fitTo(rooDataHist, RooFit.Save(kTRUE), RooFit.Strategy(args.fitStrategy)) model4.plotOn(mframe, ROOT.RooFit.Name("model4"), ROOT.RooFit.LineStyle(1), ROOT.RooFit.LineWidth(1), ROOT.RooFit.LineColor(ROOT.EColor.kBlue)) res5 = model5.fitTo(rooDataHist, RooFit.Save(kTRUE), RooFit.Strategy(args.fitStrategy)) model5.plotOn(mframe, ROOT.RooFit.Name("model5"), ROOT.RooFit.LineStyle(1), ROOT.RooFit.LineWidth(1), ROOT.RooFit.LineColor(ROOT.EColor.kViolet)) res6 = model6.fitTo(rooDataHist, RooFit.Save(kTRUE), RooFit.Strategy(args.fitStrategy)) # model6.plotOn(mframe, ROOT.RooFit.Name("model6"), ROOT.RooFit.LineStyle(1), ROOT.RooFit.LineWidth(1), ROOT.RooFit.LineColor(ROOT.EColor.kPink)) res7 = model7.fitTo(rooDataHist, RooFit.Save(kTRUE), RooFit.Strategy(args.fitStrategy)) # model7.plotOn(mframe, ROOT.RooFit.Name("model7"), ROOT.RooFit.LineStyle(1), ROOT.RooFit.LineWidth(1), ROOT.RooFit.LineColor(ROOT.EColor.kAzure)) rooDataHist2 = RooDataHist('rooDatahist2','rooDathist2',RooArgList(mjj),hData2) rooDataHist2.plotOn(mframe, ROOT.RooFit.Name("data")) canvas = TCanvas("cdouble", "cdouble", 800, 1000) gStyle.SetOptStat(0); gStyle.SetOptTitle(0); top = TPad("top", "top", 0., 0.5, 1., 1.) top.SetBottomMargin(0.03) top.Draw() top.SetLogy() bottom = TPad("bottom", "bottom", 0., 0., 1., 0.5) bottom.SetTopMargin(0.02) bottom.SetBottomMargin(0.2) bottom.Draw() top.cd() frame_top = TH1D("frame_top", "frame_top", 100, 526, 1500) frame_top.GetXaxis().SetTitleSize(0) frame_top.GetXaxis().SetLabelSize(0) frame_top.GetYaxis().SetLabelSize(0.04) frame_top.GetYaxis().SetTitleSize(0.04) frame_top.GetYaxis().SetTitle("Events") frame_top.SetMaximum(1000.) frame_top.SetMinimum(0.1) frame_top.Draw("axis") mframe.Draw("p e1 same") bottom.cd() frame_bottom = TH1D("frame_bottom", "frame_bottom", 100, 526, 1500) frame_bottom.GetXaxis().SetTitle("m_{jj} [GeV]") frame_bottom.GetYaxis().SetTitle("Pull") frame_bottom.GetXaxis().SetLabelSize(0.04) frame_bottom.GetXaxis().SetTitleSize(0.06) frame_bottom.GetXaxis().SetLabelOffset(0.01) frame_bottom.GetXaxis().SetTitleOffset(1.1) frame_bottom.GetYaxis().SetLabelSize(0.04) frame_bottom.GetYaxis().SetTitleSize(0.04) frame_bottom.GetYaxis().SetTitleOffset(0.85) frame_bottom.SetMaximum(4.) frame_bottom.SetMinimum(-3.) frame_bottom.Draw("axis") zero = TLine(526., 0., 1500., 0.) zero.SetLineColor(ROOT.EColor.kBlack) zero.SetLineStyle(1) zero.SetLineWidth(2) zero.Draw("same") # Ratio histogram with no errors (not so well defined, since this isn't a well-defined efficiency) newHist = mframe.getHist("data") curve = mframe.getObject(1) hresid = newHist.makePullHist(curve,kTRUE) resframe = mjj.frame() mframe.SetAxisRange(526.,1500.) resframe.addPlotable(hresid,"B X") resframe.Draw("same") canvas.cd() canvas.SaveAs("testdouble.pdf") if args.pyes: c = TCanvas("c","c",800,800) mframe.SetAxisRange(300.,1300.) c.SetLogy() # mframe.SetMaximum(10) # mframe.SetMinimum(1) mframe.Draw() fitname = args.pdir+'/5funcfit_m'+str(mass)+fstr+'.pdf' c.SaveAs(fitname) cpull = TCanvas("cpull","cpull",800,800) pulls = mframe.pullHist("data","model3") pulls.Draw("ABX") pullname = args.pdir+'/pull_m'+str(mass)+fstr+'.pdf' cpull.SaveAs(pullname) cpull2 = TCanvas("cpull2","cpull2",800,800) pulls2 = mframe.pullHist("setonedata","model1") pulls2.Draw("ABX") pull2name = args.pdir+'/pull2_m'+str(mass)+fstr+'.pdf' cpull2.SaveAs(pull2name) if args.widefit: mframew = mjj.frame() rooDataHist2.plotOn(mframew, ROOT.RooFit.Name("data")) res6 = model.fitTo(rooDataHist2, RooFit.Save(kTRUE), RooFit.Strategy(args.fitStrategy)) model.plotOn(mframew, ROOT.RooFit.Name("model1"), ROOT.RooFit.LineStyle(1), ROOT.RooFit.LineWidth(1), ROOT.RooFit.LineColor(ROOT.EColor.kRed)) res7 = model2.fitTo(rooDataHist2, RooFit.Save(kTRUE), RooFit.Strategy(args.fitStrategy)) model2.plotOn(mframew, ROOT.RooFit.Name("model2"), ROOT.RooFit.LineStyle(1), ROOT.RooFit.LineWidth(1), ROOT.RooFit.LineColor(ROOT.EColor.kOrange)) res8 = model3.fitTo(rooDataHist2, RooFit.Save(kTRUE), RooFit.Strategy(args.fitStrategy)) model3.plotOn(mframew, ROOT.RooFit.Name("model3"), ROOT.RooFit.LineStyle(1), ROOT.RooFit.LineWidth(1), ROOT.RooFit.LineColor(ROOT.EColor.kGreen)) res9 = model4.fitTo(rooDataHist2, RooFit.Save(kTRUE), RooFit.Strategy(args.fitStrategy)) model4.plotOn(mframew, ROOT.RooFit.Name("model4"), ROOT.RooFit.LineStyle(1), ROOT.RooFit.LineWidth(1), ROOT.RooFit.LineColor(ROOT.EColor.kBlue)) res10 = model5.fitTo(rooDataHist2, RooFit.Save(kTRUE), RooFit.Strategy(args.fitStrategy)) model5.plotOn(mframew, ROOT.RooFit.Name("model5"), ROOT.RooFit.LineStyle(1), ROOT.RooFit.LineWidth(1), ROOT.RooFit.LineColor(ROOT.EColor.kViolet)) if args.pyes: c = TCanvas("c","c",800,800) mframew.SetAxisRange(300.,1300.) c.SetLogy() # mframew.SetMaximum(10) # mframew.SetMinimum(1) mframew.Draw() fitname = args.pdir+'/5funcfittowide_m'+str(mass)+fstr+'.pdf' c.SaveAs(fitname) cpull = TCanvas("cpull","cpull",800,800) pulls = mframew.pullHist("data","model1") pulls.Draw("ABX") pullname = args.pdir+'/pullwidefit_m'+str(mass)+fstr+'.pdf' cpull.SaveAs(pullname) if args.chi2: fullInt = model.createIntegral(RooArgSet(mjj)) norm = dataInt/fullInt.getVal() chi1 = 0. fullInt2 = model2.createIntegral(RooArgSet(mjj)) norm2 = dataInt2/fullInt2.getVal() chi2 = 0. fullInt3 = model3.createIntegral(RooArgSet(mjj)) norm3 = dataInt3/fullInt3.getVal() chi3 = 0. fullInt4 = model4.createIntegral(RooArgSet(mjj)) norm4 = dataInt4/fullInt4.getVal() chi4 = 0. fullInt5 = model5.createIntegral(RooArgSet(mjj)) norm5 = dataInt5/fullInt5.getVal() chi5 = 0. for i in range(args.massMin, args.massMax): new = 0 new2 = 0 new3 = 0 new4 = 0 new5 = 0 height = hData.GetBinContent(i) xLow = hData.GetXaxis().GetBinLowEdge(i) xUp = hData.GetXaxis().GetBinLowEdge(i+1) obs = height*(xUp-xLow) mjj.setRange("intrange",xLow,xUp) integ = model.createIntegral(RooArgSet(mjj),ROOT.RooFit.NormSet(RooArgSet(mjj)),ROOT.RooFit.Range("intrange")) exp = integ.getVal()*norm new = pow(exp-obs,2)/exp chi1 = chi1 + new integ2 = model2.createIntegral(RooArgSet(mjj),ROOT.RooFit.NormSet(RooArgSet(mjj)),ROOT.RooFit.Range("intrange")) exp2 = integ2.getVal()*norm2 new2 = pow(exp2-obs,2)/exp2 chi2 = chi2 + new2 integ3 = model3.createIntegral(RooArgSet(mjj),ROOT.RooFit.NormSet(RooArgSet(mjj)),ROOT.RooFit.Range("intrange")) exp3 = integ3.getVal()*norm3 new3 = pow(exp3-obs,2)/exp3 chi3 = chi3 + new3 integ4 = model4.createIntegral(RooArgSet(mjj),ROOT.RooFit.NormSet(RooArgSet(mjj)),ROOT.RooFit.Range("intrange")) exp4 = integ4.getVal()*norm4 if exp4 != 0: new4 = pow(exp4-obs,2)/exp4 else: new4 = 0 chi4 = chi4 + new4 integ5 = model5.createIntegral(RooArgSet(mjj),ROOT.RooFit.NormSet(RooArgSet(mjj)),ROOT.RooFit.Range("intrange")) exp5 = integ5.getVal()*norm5 new5 = pow(exp5-obs,2)/exp5 chi5 = chi5 + new5 print "chi1 %d "%(chi1) print "chi2 %d "%(chi2) print "chi3 %d "%(chi3) print "chi4 %d "%(chi4) print "chi5 %d "%(chi5) if not args.decoBkg: print " " res.Print() # res2.Print() # res3.Print() # res4.Print() # res5.Print() # res6.Print() # res7.Print() # decorrelated background parameters for Bayesian limits if args.decoBkg: signal_norm.setConstant() res = model.fitTo(rooDataHist, RooFit.Save(kTRUE), RooFit.Strategy(args.fitStrategy)) res.Print() ## temp workspace for the PDF diagonalizer w_tmp = RooWorkspace("w_tmp") deco = PdfDiagonalizer("deco",w_tmp,res) # here diagonalizing only the shape parameters since the overall normalization is already decorrelated background_deco = deco.diagonalize(background) print "##################### workspace for decorrelation" w_tmp.Print("v") print "##################### original parameters" background.getParameters(rooDataHist).Print("v") print "##################### decorrelated parameters" # needed if want to evaluate limits without background systematics if args.fixBkg: w_tmp.var("deco_eig1").setConstant() w_tmp.var("deco_eig2").setConstant() if not args.fixP3: w_tmp.var("deco_eig3").setConstant() background_deco.getParameters(rooDataHist).Print("v") print "##################### original pdf" background.Print() print "##################### decorrelated pdf" background_deco.Print() # release signal normalization signal_norm.setConstant(kFALSE) # set the background normalization range to +/- 5 sigma bkg_val = background_norm.getVal() bkg_error = background_norm.getError() background_norm.setMin(bkg_val-5*bkg_error) background_norm.setMax(bkg_val+5*bkg_error) background_norm.Print() # change background PDF names background.SetName("background_old") background_deco.SetName("background") # needed if want to evaluate limits without background systematics if args.fixBkg: background_norm.setConstant() p1.setConstant() p2.setConstant() p3.setConstant() # ----------------------------------------- # dictionaries holding systematic variations of the signal shape hSig_Syst = {} hSig_Syst_DataHist = {} sigCDF = TGraph(hSig.GetNbinsX()+1) # JES and JER uncertainties if args.jesUnc != None or args.jerUnc != None: sigCDF.SetPoint(0,0.,0.) integral = 0. for i in range(1, hSig.GetNbinsX()+1): x = hSig.GetXaxis().GetBinLowEdge(i+1) integral = integral + hSig.GetBinContent(i) sigCDF.SetPoint(i,x,integral) if args.jesUnc != None: hSig_Syst['JESUp'] = copy.deepcopy(hSig) hSig_Syst['JESDown'] = copy.deepcopy(hSig) if args.jerUnc != None: hSig_Syst['JERUp'] = copy.deepcopy(hSig) hSig_Syst['JERDown'] = copy.deepcopy(hSig) # reset signal histograms for key in hSig_Syst.keys(): hSig_Syst[key].Reset() hSig_Syst[key].SetName(hSig_Syst[key].GetName() + '_' + key) # produce JES signal shapes if args.jesUnc != None: for i in range(1, hSig.GetNbinsX()+1): xLow = hSig.GetXaxis().GetBinLowEdge(i) xUp = hSig.GetXaxis().GetBinLowEdge(i+1) jes = 1. - args.jesUnc xLowPrime = jes*xLow xUpPrime = jes*xUp hSig_Syst['JESUp'].SetBinContent(i, sigCDF.Eval(xUpPrime) - sigCDF.Eval(xLowPrime)) jes = 1. + args.jesUnc xLowPrime = jes*xLow xUpPrime = jes*xUp hSig_Syst['JESDown'].SetBinContent(i, sigCDF.Eval(xUpPrime) - sigCDF.Eval(xLowPrime)) hSig_Syst_DataHist['JESUp'] = RooDataHist('hSig_JESUp','hSig_JESUp',RooArgList(mjj),hSig_Syst['JESUp']) hSig_Syst_DataHist['JESDown'] = RooDataHist('hSig_JESDown','hSig_JESDown',RooArgList(mjj),hSig_Syst['JESDown']) if args.jyes: c2 = TCanvas("c2","c2",800,800) mframe2 = mjj.frame(ROOT.RooFit.Title("JES One Sigma Shifts")) mframe2.SetAxisRange(525.,1200.) hSig_Syst_DataHist['JESUp'].plotOn(mframe2, ROOT.RooFit.Name("JESUP"),ROOT.RooFit.DrawOption("L"), ROOT.RooFit.DataError(2), ROOT.RooFit.LineStyle(1), ROOT.RooFit.MarkerColor(ROOT.EColor.kRed), ROOT.RooFit.LineColor(ROOT.EColor.kRed)) hSig_Syst_DataHist['JESDown'].plotOn(mframe2,ROOT.RooFit.Name("JESDOWN"),ROOT.RooFit.DrawOption("L"), ROOT.RooFit.DataError(2), ROOT.RooFit.LineStyle(1), ROOT.RooFit.MarkerColor(ROOT.EColor.kBlue), ROOT.RooFit.LineColor(ROOT.EColor.kBlue)) rooSigHist.plotOn(mframe2, ROOT.RooFit.DataError(2),ROOT.RooFit.Name("SIG"),ROOT.RooFit.DrawOption("L"), ROOT.RooFit.LineStyle(1), ROOT.RooFit.MarkerColor(ROOT.EColor.kGreen), ROOT.RooFit.LineColor(ROOT.EColor.kGreen)) mframe2.Draw() mframe2.GetXaxis().SetTitle("Dijet Mass (GeV)") leg = TLegend(0.7,0.8,0.9,0.9) leg.AddEntry(mframe2.findObject("SIG"),"Signal Model","l") leg.AddEntry(mframe2.findObject("JESUP"),"+1 Sigma","l") leg.AddEntry(mframe2.findObject("JESDOWN"),"-1 Sigma","l") leg.Draw() jesname = args.pdir+'/jes_m'+str(mass)+fstr+'.pdf' c2.SaveAs(jesname) # produce JER signal shapes if args.jesUnc != None: for i in range(1, hSig.GetNbinsX()+1): xLow = hSig.GetXaxis().GetBinLowEdge(i) xUp = hSig.GetXaxis().GetBinLowEdge(i+1) jer = 1. - args.jerUnc xLowPrime = jer*(xLow-float(mass))+float(mass) xUpPrime = jer*(xUp-float(mass))+float(mass) hSig_Syst['JERUp'].SetBinContent(i, sigCDF.Eval(xUpPrime) - sigCDF.Eval(xLowPrime)) jer = 1. + args.jerUnc xLowPrime = jer*(xLow-float(mass))+float(mass) xUpPrime = jer*(xUp-float(mass))+float(mass) hSig_Syst['JERDown'].SetBinContent(i, sigCDF.Eval(xUpPrime) - sigCDF.Eval(xLowPrime)) hSig_Syst_DataHist['JERUp'] = RooDataHist('hSig_JERUp','hSig_JERUp',RooArgList(mjj),hSig_Syst['JERUp']) hSig_Syst_DataHist['JERDown'] = RooDataHist('hSig_JERDown','hSig_JERDown',RooArgList(mjj),hSig_Syst['JERDown']) if args.jyes: c3 = TCanvas("c3","c3",800,800) mframe3 = mjj.frame(ROOT.RooFit.Title("JER One Sigma Shifts")) mframe3.SetAxisRange(525.,1200.) hSig_Syst_DataHist['JERUp'].plotOn(mframe3,ROOT.RooFit.Name("JERUP"),ROOT.RooFit.DrawOption("L"), ROOT.RooFit.DataError(2), ROOT.RooFit.LineStyle(1), ROOT.RooFit.MarkerColor(ROOT.EColor.kRed), ROOT.RooFit.LineColor(ROOT.EColor.kRed)) hSig_Syst_DataHist['JERDown'].plotOn(mframe3,ROOT.RooFit.Name("JERDOWN"),ROOT.RooFit.DrawOption("L"), ROOT.RooFit.DataError(2), ROOT.RooFit.LineStyle(1), ROOT.RooFit.MarkerColor(ROOT.EColor.kBlue), ROOT.RooFit.LineColor(ROOT.EColor.kBlue)) rooSigHist.plotOn(mframe3,ROOT.RooFit.DrawOption("L"),ROOT.RooFit.Name("SIG"), ROOT.RooFit.DataError(2), ROOT.RooFit.LineStyle(1), ROOT.RooFit.MarkerColor(ROOT.EColor.kGreen), ROOT.RooFit.LineColor(ROOT.EColor.kGreen)) mframe3.Draw() mframe3.GetXaxis().SetTitle("Dijet Mass (GeV)") leg = TLegend(0.7,0.8,0.9,0.9) leg.AddEntry(mframe3.findObject("SIG"),"Signal Model","l") leg.AddEntry(mframe3.findObject("JERUP"),"+1 Sigma","l") leg.AddEntry(mframe3.findObject("JERDOWN"),"-1 Sigma","l") leg.Draw() jername = args.pdir+'/jer_m'+str(mass)+fstr+'.pdf' c3.SaveAs(jername) # ----------------------------------------- # create a datacard and corresponding workspace postfix = (('_' + args.postfix) if args.postfix != '' else '') dcName = 'datacard_' + args.final_state + '_m' + str(mass) + postfix + '.txt' wsName = 'workspace_' + args.final_state + '_m' + str(mass) + postfix + '.root' w = RooWorkspace('w','workspace') getattr(w,'import')(rooSigHist,RooFit.Rename("signal")) if args.jesUnc != None: getattr(w,'import')(hSig_Syst_DataHist['JESUp'],RooFit.Rename("signal__JESUp")) getattr(w,'import')(hSig_Syst_DataHist['JESDown'],RooFit.Rename("signal__JESDown")) if args.jerUnc != None: getattr(w,'import')(hSig_Syst_DataHist['JERUp'],RooFit.Rename("signal__JERUp")) getattr(w,'import')(hSig_Syst_DataHist['JERDown'],RooFit.Rename("signal__JERDown")) if args.decoBkg: getattr(w,'import')(background_deco,ROOT.RooCmdArg()) else: getattr(w,'import')(background,ROOT.RooCmdArg(),RooFit.Rename("background")) #if use different fits for shape uncertainties #getattr(w,'import')(,ROOT.RooCmdArg(),RooFit.Rename("background__bkgUp")) #getattr(w,'import')(,ROOT.RooCmdArg(),RooFit.Rename("background__bkgDown")) getattr(w,'import')(background_norm,ROOT.RooCmdArg()) getattr(w,'import')(rooDataHist,RooFit.Rename("data_obs")) w.Print() w.writeToFile(os.path.join(args.output_path,wsName)) beffUnc = 0.3 boffUnc = 0.06 datacard = open(os.path.join(args.output_path,dcName),'w') datacard.write('imax 1\n') datacard.write('jmax 1\n') datacard.write('kmax *\n') datacard.write('---------------\n') if args.jesUnc != None or args.jerUnc != None: datacard.write('shapes * * '+wsName+' w:$PROCESS w:$PROCESS__$SYSTEMATIC\n') else: datacard.write('shapes * * '+wsName+' w:$PROCESS\n') datacard.write('---------------\n') datacard.write('bin 1\n') datacard.write('observation -1\n') datacard.write('------------------------------\n') datacard.write('bin 1 1\n') datacard.write('process signal background\n') datacard.write('process 0 1\n') datacard.write('rate -1 1\n') datacard.write('------------------------------\n') datacard.write('lumi lnN %f -\n'%(1.+args.lumiUnc)) datacard.write('beff lnN %f -\n'%(1.+beffUnc)) datacard.write('boff lnN %f -\n'%(1.+boffUnc)) datacard.write('bkg lnN - 1.03\n') if args.jesUnc != None: datacard.write('JES shape 1 -\n') if args.jerUnc != None: datacard.write('JER shape 1 -\n') # flat parameters --- flat prior datacard.write('background_norm flatParam\n') if args.decoBkg: datacard.write('deco_eig1 flatParam\n') datacard.write('deco_eig2 flatParam\n') if not args.fixP3: datacard.write('deco_eig3 flatParam\n') else: datacard.write('p1 flatParam\n') datacard.write('p2 flatParam\n') if not args.fixP3: datacard.write('p3 flatParam\n') datacard.close() print '>> Datacards and workspaces created and stored in %s/'%( os.path.join(os.getcwd(),args.output_path) )
fsig= RooRealVar('fsig','fsig',0.5,0.,1.) signal = RooAddPdf('signal','signal',sig,bkg,fsig) # ----------------------------------------- # fit signal canSname = 'can_Mjj'+str(mass) if useSub: canSname = 'can_Sub_Mjj'+str(mass) canS = TCanvas(canSname,canSname,900,600) #gPad.SetLogy() roohistSig = RooDataHist('roohist','roohist',RooArgList(x),hSig) signal.fitTo(roohistSig) frame = x.frame() roohistSig.plotOn(frame) signal.plotOn(frame) signal.plotOn(frame,RooFit.Components('bkg'),RooFit.LineColor(ROOT.kRed),RooFit.LineWidth(2),RooFit.LineStyle(ROOT.kDashed)) frame.GetXaxis().SetRangeUser(900,4500) frame.GetXaxis().SetTitle('m_{jj} (GeV)') frame.Draw() parsSig = signal.getParameters(roohistSig) parsSig.setAttribAll('Constant', True) if fitDat: # ----------------------------------------- # define parameters for background NBINS = 180 p1 = RooRealVar('p1','p1',7,1,10)
canvas.Print("track_parameters.pdf[") #--- Fit the D0 plots ---# #------------------------# track_d0 = RooRealVar("track_d0", "D0 (mm)", -1.5, 1.5) track_d0_mean = RooRealVar("track_d0_mean", "Track D0 Mean", 0, -1.5, 1.5) track_d0_sigma = RooRealVar("track_d0_sigma", "Track D0 Sigma", .5, 0, 2) track_d0_gaussian = RooGaussModel("track_d0_gaussian", "Track D0 Gaussian", track_d0, track_d0_mean, track_d0_sigma) track_d0_data = RooDataHist("track_d0_data", "Track D0 Data", RooArgList(track_d0), h_track_d0) track_d0_plot = track_d0.frame() track_d0_plot.SetTitle("") track_d0_data.plotOn(track_d0_plot, RooFit.MarkerColor(kAzure+2), RooFit.LineColor(kAzure+2)) track_d0_gaussian.fitTo(track_d0_data) track_d0_gaussian.plotOn(track_d0_plot, RooFit.LineColor(kAzure+2)) gbl_track_d0 = RooRealVar("gbl_track_d0", "D0 (mm)", -1.5, 1.5) gbl_track_d0_mean = RooRealVar("gbl_track_d0_mean", "Track D0 Mean", 0, -1.5, 1.5) gbl_track_d0_sigma = RooRealVar("gbl_track_d0_sigma", "Track D0 Sigma", .5, 0, 2) gbl_track_d0_gaussian = RooGaussModel("gbl_track_d0_gaussian", "Track D0 Gaussian", gbl_track_d0, gbl_track_d0_mean, gbl_track_d0_sigma) gbl_track_d0_data = RooDataHist("track_d0_data", "Track D0 Data", RooArgList(gbl_track_d0), h_gbl_track_d0) gbl_track_d0_plot = gbl_track_d0.frame() gbl_track_d0_plot.SetTitle("") gbl_track_d0_data.plotOn(gbl_track_d0_plot, RooFit.MarkerColor(kRed+1), RooFit.LineColor(kRed+1)) gbl_track_d0_gaussian.fitTo(gbl_track_d0_data)
chi2=RooChi2Var("chi2","chi2",sigmodel,signal,RooFit.DataError(RooAbsData.SumW2)) nbins=data.numEntries() nfree=sigmodel.getParameters(data).selectByAttrib("Constant",False).getSize() s0.setConstant(True) s1.setConstant(True) if cut>=1: fullintegral=sumsighist.Integral() else: fullintegral=sighist.Integral() print "SIGNAL FRACTION",nsigref.getValV()/(nsigref.getValV()+nbkg.getValV()) if nsigref.getValV()==0: continue if fit=="data": xframe=mass.frame(RooFit.Title("signal fraction in peak ="+str(int(nsigref.getValV()/(nsigref.getValV()+nbkg.getValV())*1000.)/1000.)+"+-"+str(int(nsigref.getError()/(nsigref.getValV()+nbkg.getValV())*1000.)/1000.)+", #chi^{2}/DOF = "+str(int((chi2.getVal()/(nbins-nfree))*10.)/10.))) signal.plotOn(xframe,RooFit.DataError(RooAbsData.SumW2)) sigmodel.plotOn(xframe,RooFit.Normalization(1.0,RooAbsReal.RelativeExpected)) sigmodel.plotOn(xframe,RooFit.Components("sigbkg"+str(cut)),RooFit.LineStyle(kDashed),RooFit.Normalization(1.0,RooAbsReal.RelativeExpected)) sigmodel.plotOn(xframe,RooFit.Components("sig"),RooFit.LineStyle(kDotted),RooFit.Normalization(1.0,RooAbsReal.RelativeExpected)) canvas=TCanvas("c3","c3",0,0,600,600) xframe.Draw() canvas.SaveAs(prefix+"_"+plot[0]+str(cut)+"_sigfit.pdf") a0=RooRealVar("a0"+str(cut),"a0",100.,0.,1000.) a1=RooRealVar("a1"+str(cut),"a1",100.,0.,1000.) a2=RooRealVar("a2"+str(cut),"a2",50.,0.,1000.) a3=RooRealVar("a3"+str(cut),"a3",0.1,0.,1000.) b0=RooRealVar("b0"+str(cut),"b0",120.,0.,100.) b1=RooRealVar("b1"+str(cut),"b1",50.,0.,100.) b2=RooRealVar("b2"+str(cut),"b2",50.,0.,100.) c0=RooRealVar("c0"+str(cut),"c0",100.,-1000.,1000.)
RooArgList(turnon, time, offset)) else: print 'Unknown acceptance type. Aborting' assert(False) # Dataset to fit to datahist = RooDataHist('datahist', 'Dataset from a histogram', RooArgList(time), RooFit.Import(timehist2, False)) # Debug datahist.Print('v') # Fit PDF.fitTo(datahist, RooFit.SumW2Error(True), RooFit.NumCPU(1), RooFit.Range(epsilon, 0.005), RooFit.Optimize(False), RooFit.Verbose(True), RooFit.Strategy(2)) # Plot tframe1 = time.frame(RooFit.Name('ptime'), RooFit.Title('Lifetime acceptance fitted to %s' % accfn)) datahist.plotOn(tframe1, RooFit.MarkerStyle(kFullTriangleUp)) PDF.plotOn(tframe1, RooFit.LineColor(kGreen)) # canvas2 = TCanvas('canvas2', 'Acceptance', 800, 600) tframe1.Draw() canvas1.Print(fname) canvas1.Print(fname + ']') # timestamp = get_timestamp() # canvas1.Print('plots/simple-distrib-%s.pdf' % timestamp) # canvas2.Print('plots/simple-fit-%s-%s.pdf' % (accfn, timestamp))
def makePlots(): histoFile = TFile('histos_'+sample+'.root') histos = {} for key in histoFile.GetListOfKeys(): histos[key.GetName()] = histoFile.Get(key.GetName()) outFile_name = 'plots_'+sample+'.pdf' c1 = TCanvas('c1', 'c1') c1.Print(outFile_name+'[') # Plot comparing m_Phi various method drawMultiPlot(outFile_name,';m_{KK [MeV]};', 'm_phi', **{'m_{KK}' : histos['m_KK'], 'm_{#Phi}' : histos['m_Phi'], 'm_{#Phi} DTF #tau' : histos['m_DTFTau_Phi'], 'm_{#Phi} DTF #Phi' : histos['m_DTF_Phi']}) # Plot comparing m_Tau various method drawMultiPlot(outFile_name, ';m_{KK#mu [MeV]};', 'm_tau', **{'m_{KK#mu}' : histos['m_KKMu'], 'm_{#Phi#mu}' : histos['m_PhiMu'], 'm_{#tau} DTF #Phi' : histos['m_DTF_Tau']}) # m_KPi and m_PiK drawMultiPlot(outFile_name, ';m_{K#pi} [MeV];', 'm_KPi', **{'m_{K#pi}' : histos['m_KPi'], 'm_{#piK}' : histos['m_PiK']}) # m_KKpi and m_PhiPi drawMultiPlot(outFile_name, ';m_{KK#pi} [MeV];', 'm_KKPi', **{'m_{KK#pi}' : histos['m_KKPi'], 'm_{#Phi#pi}' : histos['m_PhiPi']}) # m_KPiPi_SS and KPiPi_OS drawMultiPlot(outFile_name, ';m_{K#pi#pi} [MeV];', 'm_KPiPi', **{'m_{K^{+}#pi^{-}#pi^{-}}' : histos['m_KPiPi_SS'], 'm_{K^{-}#pi^{+}#pi^{-}}' : histos['m_KPiPi_OS']}) drawMultiPlot(outFile_name, 'not in D peak;m_{K#pi#pi} [MeV];', 'm_KPiPi_noD', **{'m_{K^{+}#pi^{-}#pi^{-}}' : histos['m_KPiPi_SS_noD'], 'm_{K^{-}#pi^{+}#pi^{-}}' : histos['m_KPiPi_OS_noD']}) #Plot various histos for key in ('m_PiPi', 'm_PiPi_noD', 'm_KPi_fromMu','m_KPi_fromMu_noD' , 'm_KKPi_D' ,'Tau_DTF_PROB', 'Tau_DTFTau_PROB'): histos[key].Draw() c1.Update() c1.Print(outFile_name) c1.Print('plots/'+sample+'/'+key+'.pdf') from ROOT import RooFit, RooRealVar, RooDataHist, RooArgList # Fit m_DTF_Phi gStyle.SetOptFit(1111) histo = histos['m_DTF_Phi'] x = RooRealVar('x', 'm_{#Phi}', 1008,1032,'MeV') ral = RooArgList(x) dh = RooDataHist ("dh","dh",ral,RooFit.Import(histo)) frame = x.frame(RooFit.Title('Mass Decay Tree Fitter m_{#Phi} constrained')) dh.plotOn(frame) mean = RooRealVar("mean","mean",1020,1010,1025) sigma = RooRealVar("sigma","sigma",3,0.1,10) alpha = RooRealVar('alpha', 'alpha', 1, 0.1, 10) param_n = RooRealVar('param_n','param_n', 2, 0.1, 10) #pdf = ROOT.RooGaussian("gauss","gauss",x,mean,sigma) pdf = ROOT.RooBreitWigner('BW','BW',x,mean, sigma) #pdf = ROOT.RooVoigtian('voit','voit', x, mean, sigma) #pdf = ROOT.RooCBShape('CB','CB', x, mean, sigma, alpha, param_n) fit_region = x.setRange("fit_region",1015,1025) pdf.fitTo(dh, RooFit.Range("fit_region")) pdf.paramOn(frame, RooFit.Layout(0.1,0.44,0.9)) pdf.plotOn(frame) chi2 = round(frame.chiSquare(),2) leg = TLegend(0.3,0,.10,.10) leg.SetBorderSize(0) leg.SetFillStyle(0) leg.AddEntry(0,'#chi^{2} ='+str(chi2),'') frame.addObject(leg) frame.Draw() c1.Update() c1.Print(outFile_name) # Fit m_Kpipi histo = histos['m_KPiPi_SS_noD'] x = RooRealVar('x', 'm_{K#pi#pi}', 1100,1900,'MeV') ral = RooArgList(x) dh = RooDataHist ("dh","dh",ral,RooFit.Import(histo)) frame = x.frame(RooFit.Title('Combinatorial mass not in D- region')) dh.plotOn(frame) mean = RooRealVar("mean","mean",1510,1100,1900) sigma = RooRealVar("sigma","sigma",107,0.1,300) alpha = RooRealVar('alpha', 'alpha', 1, 0.1, 10) param_n = RooRealVar('param_n','param_n', 2, 0.1, 10) #pdf = ROOT.RooGaussian("gauss","gauss",x,mean,sigma) pdf = ROOT.RooCBShape('CB','CB', x, mean, sigma, alpha, param_n) fit_region = x.setRange("fit_region",1100,1900) pdf.fitTo(dh, RooFit.Range("fit_region")) pdf.paramOn(frame, RooFit.Layout(0.1,0.44,0.9)) pdf.plotOn(frame) chi2 = round(frame.chiSquare(),2) leg = TLegend(0.3,0,.10,.10) leg.SetBorderSize(0) leg.SetFillStyle(0) leg.AddEntry(0,'#chi^{2} ='+str(chi2),'') frame.addObject(leg) frame.Draw() c1.Update() c1.Print(outFile_name) histo.Fit('gaus') histo.Draw() c1.Update() c1.Print(outFile_name) # # Traditional Root way to fit # func = TF1('myBW', '[0]*TMath::BreitWigner(x,[1],[2])', 1010,1025) # # func = TF1('myfunc', '[0]*TMath::Gaus(x,[1],[2])', 1010,1025) # func = TF1('myfunc', '[0]*TMath::Voigt(x-[1],[2],[3])', 1010,1025) # func.SetParameter(0,1048) # func.SetParName(0,'Norm') # func.SetParameter(1,1020) # func.SetParName(1,'mean') # func.SetParameter(2,4) # func.SetParName(2,'gamma') # func = TF1('myfunc', '[0]*TMath::Voigt(x-[1],[2],[3])', 1010,1025) # func.SetParameter(0,1048) # func.SetParName(0,'Norm') # func.SetParameter(1,1020) # func.SetParName(1,'mean') # func.SetParameter(2,4) # func.SetParName(2,'sigma') # func.SetParameter(3,4) # func.SetParName(2,'gamma') # histo.Fit('myfunc') # #histo.Fit('gaus') # histo.Draw() # c1.Update() # c1.Print(outFile_name) c1.Print(outFile_name+']')
def main(options,args): from ROOT import gSystem, gROOT, gStyle gROOT.SetBatch() gSystem.Load("libRooFitCore") if options.doWebPage: from lip.Tools.rootutils import loadToolsLib, apply_modifs loadToolsLib() from ROOT import TFile, RooFit, RooArgSet, RooDataHist, RooKeysPdf, RooHistPdf, TCanvas, TLegend, TLatex, TArrow, TPaveText, RooAddPdf, RooArgList from ROOT import kWhite, kBlue, kOpenSquare if options.doWebPage: from ROOT import HtmlHelper, HtmlTag, HtmlTable, HtmlPlot rootglobestyle.setTDRStyle() gStyle.SetMarkerSize(1.5) gStyle.SetTitleYOffset(1.5) gStyle.SetPadLeftMargin(0.16) gStyle.SetPadRightMargin(0.05) gStyle.SetPadTopMargin(0.05) gStyle.SetPadBottomMargin(0.13) gStyle.SetLabelFont(42,"XYZ") gStyle.SetLabelOffset(0.007, "XYZ") gStyle.SetLabelSize(0.05,"XYZ") gStyle.SetTitleSize(0.06,"XYZ") gStyle.SetTitleXOffset(0.9) gStyle.SetTitleYOffset(1.24) gStyle.SetTitleFont(42,"XYZ") ## ## Read files ## options.outdir = "%s_m%1.0f" % ( options.outdir, options.mH ) if options.fp: options.outdir += "_fp" ncat=options.ncat cats=options.cats if cats is "": categories =[ "_cat%d" % i for i in range(0,ncat) ] else: categories =[ "_cat%s" % i for i in cats.split(",") ] if options.mva: clables = { "_cat0" : ("MVA > 0.89",""), "_cat1" : ("0.74 #leq MVA","MVA < 0.89"), "_cat2" : ("0.545 #leq MVA","MVA < 0.74"), "_cat3" : ("0.05 #leq MVA","MVA < 0.545"), "_cat4" : ("Di-jet","Tagged"), "_cat5" : ("Di-jet","Tagged"), "_combcat" : ("All Classes","Combined") } else: clables = { "_cat0" : ("max(|#eta|<1.5","min(R_{9})>0.94"), "_cat1" : ("max(|#eta|<1.5","min(R_{9})<0.94"), "_cat2" : ("max(|#eta|>1.5","min(R_{9})>0.94"), "_cat3" : ("max(|#eta|>1.5","min(R_{9})<0.94"), "_cat4" : ("Di-jet","Tagged"), "_cat5" : ("Di-jet","Tagged"), "_combcat" : ("All Classes","Combined") } helper = Helper() fin = TFile.Open(options.infile) helper.files.append(fin) ws = fin.Get("cms_hgg_workspace") mass = ws.var("CMS_hgg_mass") mass.SetTitle("m_{#gamma#gamma}"); mass.setUnit("GeV"); mass.setRange(100.,150.) mass.setBins(100,"plot") mass.setBins(5000) print ws aset = RooArgSet(mass) helper.objs.append( mass ) helper.objs.append( aset ) fitopt = ( RooFit.Minimizer("Minuit2", ""), RooFit.Minos(False), RooFit.SumW2Error(False), RooFit.NumCPU(8) ) if not options.binned and not options.refit: finpdf = TFile.Open(options.infilepdf) helper.files.append(finpdf) wspdf = finpdf.Get("wsig") else: wspdf = ws for c in categories: processes = [ "ggh", "vbf", "wzh" ] if options.fp: processes = [ "vbf", "wzh" ] ### elif clables[c][0] == "Di-jet": ### processes = [ "vbf", "ggh" ] dsname = "sig_mass_m%1.0f%s" % (options.mH,c) print dsname print ws ds = ws.data( "sig_%s_mass_m%1.0f%s" % (processes[0],options.mH,c) ).Clone(dsname) for proc in processes[1:]: ds.append( ws.data( "sig_%s_mass_m%1.0f%s" % (proc,options.mH,c) ) ) helper.dsets.append( ds ) if options.binned: binned_ds = RooDataHist( "binned_%s" % dsname,"binned_%s" % dsname,aset, ds) pdf = RooKeysPdf( "pdf_%s_%s" % (dsname, f), "pdf_%s" % dsname, mass, ds ) plot_pdf = RooHistPdf( "pdf_%s" % dsname, "pdf_%s" % dsname, aset, plot_ds ) helper.add( binned_ds, binned_ds.GetName() ) else: if options.refit: if options.refitall and clables[c][0] != "Di-jet": rpdfs = [] for proc in processes: for ngaus in range(1,4): pp = build_pdf(ws,"%s_%s" % (c,proc),ngaus,ngaus==3 ) pp.fitTo( ws.data( "sig_%s_mass_m%1.0f%s" % (proc,options.mH,c)), RooFit.Strategy(0), *fitopt ) rpdfs.append(pp) pdf = RooAddPdf("hggpdfrel%s" % c, "hggpdfrel%s" % c, RooArgList(*tuple(rpdfs) )) else: if options.refitall and clables[c][0] == "Di-jet": for ngaus in range(1,5): pdf = build_pdf(ws,c,ngaus,ngaus==5) pdf.fitTo(ds, RooFit.Strategy(0), *fitopt ) else: for ngaus in range(1,4): pdf = build_pdf(ws,c,ngaus,ngaus==3) pdf.fitTo(ds, RooFit.Strategy(0), *fitopt ) else: pdfs = (wspdf.pdf( "hggpdfrel%s_%s" % (c, p)) for p in processes ) pdf = RooAddPdf("hggpdfrel%s" % c, "hggpdfrel%s" % c, RooArgList(*pdfs )) helper.add(pdf,pdf.GetName()) plot_pdf = pdf.Clone("pdf_%s" % dsname) plot_ds = RooDataHist( "plot_%s" % dsname,"plot_%s" % dsname, aset, "plot") plot_ds.add( ds ) cdf = pdf.createCdf(aset) hmin, hmax, hm = get_FWHM( mass, pdf, cdf, options.mH-10., options.mH+10. ) wmin, wmax = get_eff_sigma( mass, pdf, cdf, options.mH-10., options.mH+10. ) ### hmin, hmax, hm = get_FWHM( points ) helper.add( plot_ds, plot_ds.GetName() ) helper.add( plot_pdf, plot_pdf.GetName() ) helper.add( (wmin,wmax), "eff_sigma%s" % c ) helper.add( (hmin, hmax, hm), "FWHM%s" % c ) helper.add( ds.sumEntries(), "sumEntries%s" %c ) # signal model integral # data integral for PAS tables data = ws.data( "data_mass%s"%c) helper.add( data.sumEntries("CMS_hgg_mass>=%1.4f && CMS_hgg_mass<=%1.4f"%(options.mH-10.,options.mH+10.)),"data_sumEntries%s"%c) del cdf del pdf dsname = "sig_mass_m%1.0f_combcat" % options.mH print dsname combined_ds = helper.dsets[0].Clone(dsname) for d in helper.dsets[1:]: combined_ds.append(d) if options.binned: binned_ds = RooDataHist( "binned_%s" % dsname,"binned_%s" % dsname,aset, combined_ds) pdf = RooKeysPdf( "pdf_%s" % (dsname), "pdf_%s" % dsname, mass, combined_ds ) plot_pdf = RooHistPdf( "pdf_%s" % dsname, "pdf_%s" % dsname, aset, plot_ds ) helper.add( binned_ds, binned_ds.GetName() ) else: #### pdf = build_pdf(ws,"_combcat") #### pdf.fitTo(combined_ds, RooFit.Strategy(0), *fitopt ) #### plot_pdf = pdf.Clone( "pdf_%s" % dsname ) pdf = RooAddPdf( "pdf_%s" % dsname, "pdf_%s" % dsname, RooArgList( *(helper.histos["hggpdfrel%s" % c] for c in categories) ) ) plot_pdf = pdf cdf = pdf.createCdf(aset) plot_ds = RooDataHist( "plot_%s" % dsname,"plot_%s" % dsname, aset, "plot") plot_ds.add( combined_ds ) wmin, wmax = get_eff_sigma( mass, pdf, cdf, options.mH-10., options.mH+10. ) hmin, hmax, hm = get_FWHM( mass, pdf, cdf, options.mH-10., options.mH+10. ) helper.add( plot_ds, plot_ds.GetName() ) helper.add( plot_pdf, plot_pdf.GetName() ) helper.add( (wmin,wmax), "eff_sigma_combcat" ) helper.add( (hmin, hmax, hm), "FWHM_combcat" ) helper.add( plot_ds.sumEntries(), "sumEntries_combcat" ) mass.setRange("higgsrange",options.mH-25.,options.mH+15.); del cdf del pdf del helper.dsets ### label = TLatex(0.1812081,0.8618881,"#scale[0.8]{#splitline{CMS preliminary}{Simulation}}") label = TLatex(0.7,0.86,"#scale[0.65]{#splitline{CMS preliminary}{Simulation}}") label.SetNDC(1) ## ## Make web page with plots ## if options.doWebPage: hth = HtmlHelper(options.outdir) hth.navbar().cell( HtmlTag("a") ).firstChild().txt("..").set("href","../?C=M;O=D") hth.navbar().cell( HtmlTag("a") ).firstChild().txt("home").set("href","./") tab = hth.body().add( HtmlTable() ) ip = 0 for c in ["_combcat"]+categories: ### for c in categories: if options.doWebPage and ip % 4 == 0: row = tab.row() ip = ip + 1 dsname = "sig_mass_m%1.0f%s" % (options.mH,c) canv = TCanvas(dsname,dsname,600,600) helper.objs.append(canv) ### leg = TLegend(0.4345638,0.6835664,0.9362416,0.9178322) leg = TLegend(0.2,0.96,0.5,0.55) #apply_modifs( leg, [("SetLineColor",kWhite),("SetFillColor",kWhite),("SetFillStyle",0),("SetLineStyle",0)] ) hplotcompint = mass.frame(RooFit.Bins(250),RooFit.Range("higgsrange")) helper.objs.append(hplotcompint) helper.objs.append(leg) plot_ds =helper.histos["plot_%s" % dsname ] plot_pdf =helper.histos["pdf_%s" % dsname ] wmin,wmax = helper.histos["eff_sigma%s" % c ] hmin, hmax, hm = helper.histos["FWHM%s" % c ] print hmin, hmax, hm style = ( RooFit.LineColor(kBlue), RooFit.LineWidth(2), RooFit.FillStyle(0) ) style_seff = ( RooFit.LineWidth(2), RooFit.FillStyle(1001), RooFit.VLines(), RooFit.LineColor(15), ) style_ds = ( RooFit.MarkerStyle(kOpenSquare), ) plot_ds.plotOn(hplotcompint,RooFit.Invisible()) plot_pdf.plotOn(hplotcompint,RooFit.NormRange("higgsrange"),RooFit.Range(wmin,wmax), RooFit.FillColor(19), RooFit.DrawOption("F"), *style_seff) seffleg = hplotcompint.getObject(int(hplotcompint.numItems()-1)) plot_pdf.plotOn(hplotcompint,RooFit.NormRange("higgsrange"),RooFit.Range(wmin,wmax), RooFit.LineColor(15), *style_seff) plot_pdf.plotOn(hplotcompint,RooFit.NormRange("higgsrange"),RooFit.Range("higgsrange"),*style) pdfleg = hplotcompint.getObject(int(hplotcompint.numItems()-1)) plot_ds.plotOn(hplotcompint,*style_ds) pointsleg = hplotcompint.getObject(int(hplotcompint.numItems()-1)) iob = int( hplotcompint.numItems() - 1 ) leg.AddEntry( pointsleg, "Simulation", "pe" ) leg.AddEntry( pdfleg, "Parametric model", "l" ) leg.AddEntry( seffleg, "#sigma_{eff} = %1.2f GeV " % ( 0.5*(wmax-wmin) ), "fl" ) clabel = TLatex(0.74,0.65,"#scale[0.65]{#splitline{%s}{%s}}" % clables[c]) clabel.SetNDC(1) helper.objs.append(clabel) hm = hplotcompint.GetMaximum()*0.5*0.9 ### hm = pdfleg.GetMaximum()*0.5 fwhmarrow = TArrow(hmin,hm,hmax,hm) fwhmarrow.SetArrowSize(0.03) helper.objs.append(fwhmarrow) fwhmlabel = TPaveText(0.20,0.58,0.56,0.48,"brNDC") fwhmlabel.SetFillStyle(0) fwhmlabel.SetLineColor(kWhite) reducedFWHM = (hmax-hmin)/2.3548200 fwhmlabel.AddText("FWHM/2.35 = %1.2f GeV" % reducedFWHM) helper.objs.append(fwhmlabel) hplotcompint.SetTitle(""); hplotcompint.GetXaxis().SetNoExponent(True); hplotcompint.GetXaxis().SetTitle("m_{#gamma#gamma} (GeV)"); hplotcompint.GetXaxis().SetNdivisions(509); ## hplotcompint.GetYaxis().SetTitle("A.U."); ## hplotcompint.GetYaxis().SetRangeUser(0.,hplotcompint.GetMaximum()*1.4); hplotcompint.Draw(); leg.Draw("same") label.Draw("same") clabel.Draw("same") fwhmarrow.Draw("<>") fwhmlabel.Draw("same") plot_ds.sumEntries() if options.doWebPage: hpl = HtmlPlot(canv,False,"",True,True,True) hpl.caption("<i>%s</i>" % canv.GetTitle()) row.cell( hpl ) else: if os.path.isdir(options.outdir) is False: os.mkdir(options.outdir) for ext in "C","png","pdf": canv.SaveAs( os.path.join(options.outdir,"%s.%s" % (canv.GetName(), ext)) ) if "comb" in c: ip = 0 if options.doWebPage: print "Creating pages..." hth.dump() for f in helper.files: f.Close() gROOT.Reset() from pprint import pprint pprint(helper) print 'Summary statistics per event class' print 'Cat\tSignal\t\tData/GeV (in %3.1f+/-10)\tsigEff\tFWHM/2.35'%options.mH sigTotal=0. dataTotal=0. for c in categories: sigVal = helper.histos["sumEntries%s"%c] datVal = helper.histos["data_sumEntries%s"%c] sigTotal+=sigVal dataTotal+=datVal for c in categories: sigVal = helper.histos["sumEntries%s"%c] datVal = helper.histos["data_sumEntries%s"%c] effSig = 0.5*(helper.histos["eff_sigma%s"%c][1]-helper.histos["eff_sigma%s"%c][0]) fwhm = (helper.histos["FWHM%s"%c][1]-helper.histos["FWHM%s"%c][0]) / 2.3548200 print c, '\t%3.1f (%3.1f%%)\t%3.1f (%3.1f%%)\t\t\t%2.2f\t%2.2f'%(sigVal,100.*sigVal/sigTotal,datVal/(10.+10.),100.*datVal/dataTotal,effSig,fwhm) print "Done."
# In[9]: masslist = RooArgList(mass) dh = RooDataHist("dh", "dh", masslist, hist) numEvts = dh.sum(False) print numEvts # In[10]: tot.fitTo(dh) # In[11]: massFrame = mass.frame() massFrame.SetTitle("Phi signal") dh.plotOn(massFrame) tot.plotOn(massFrame) gauss.plotOn(massFrame, LineColor(kGreen), LineStyle(kDashed), Normalization((sFrac.getValV() * numEvts) / (numEvts))) cheb.plotOn(massFrame, LineColor(kMagenta), LineStyle(kDotted), Normalization(((1.0 - sFrac.getValV()) * numEvts) / (numEvts))) tot.paramOn(massFrame, Layout(0.60, 0.99, 0.75)) massFrame.Draw() # In[12]: plotmax = hist.GetMaximum() * 1.05 sidesigma = sigma.getValV() leftlowside = -7. * sidesigma + mean.getValV() leftupside = -5. * sidesigma + mean.getValV() rightlowside = +5. * sidesigma + mean.getValV()
numEvts = dh.sum(False) print numEvts # In[10]: tot.fitTo(dh) # In[11]: massFrame = mass.frame() massFrame.SetTitle("Phi signal") dh.plotOn(massFrame) tot.plotOn(massFrame) gauss.plotOn(massFrame,LineColor(kGreen),LineStyle(kDashed),Normalization((sFrac.getValV()*numEvts)/(numEvts))) cheb.plotOn(massFrame,LineColor(kMagenta),LineStyle(kDotted),Normalization(((1.0-sFrac.getValV())*numEvts)/(numEvts))) tot.paramOn(massFrame,Layout(0.60,0.99,0.75)); massFrame.Draw() # In[12]: plotmax = hist.GetMaximum()*1.05 sidesigma = sigma.getValV() leftlowside = -7.*sidesigma + mean.getValV() leftupside = -5.*sidesigma + mean.getValV() rightlowside = +5.*sidesigma + mean.getValV()
def fitHistogram( histToFit, channel, variable='', bin='', treeSuffix ='' ) : # Declare variables x,mean,sigma with associated name, title, initial value and allowed range x = RooRealVar("M(jj)","M(jj)",40,500) title = channel if variable != '' and bin != '' : title = '%s_%s_%s' % (channel, variable, bin) histToFit = RooDataHist('histToFit', 'histToFit', RooArgList( x ), RooFit.Import( histToFit ) ) frame = x.frame(RooFit.Title( title )) histToFit.plotOn( frame ) # Setup fit function fitFunction = None # Stuff for gauss mg = RooRealVar("mean","mean of gaussian",86,50,120) sg = RooRealVar("sigma","width of gaussian",10,2,50) gauss = RooGaussian("gauss","gaussian PDF",x,mg,sg) CBmean = RooRealVar("CBmean", "CBmean",110, 5, 500) CBsigma = RooRealVar("CBsigma", "CBsigma",40, 20, 150) CBalpha = RooRealVar("CBalpha", "CBalpha", -0.5, -20., 0.) # CBalpha = RooRealVar("CBalpha", "CBalpha", 10, 0., 20.) CBn = RooRealVar("CBn", "CBn", 1., 0., 20.) crystalBall = RooCBShape("crystalBall","Crystal Ball resolution model", x, CBmean, CBsigma, CBalpha, CBn) fracGauss = RooRealVar("fracGauss", "fracGauss", 0.4, 0, 1) gaussPlusCrystalBall = RooAddPdf("gaussPlusCrystalBall", "Gauss plus Crystal Ball", RooArgList(gauss, crystalBall), RooArgList( fracGauss ) ) fitFunction = gaussPlusCrystalBall # # Fit pdf to data fitFunction.fitTo(histToFit, RooFit.PrintLevel(-1)) # Plot histogram being fitted histToFit.plotOn(frame) # Plot fit functions and components fitFunction.plotOn(frame, RooFit.LineColor(kRed)) toPlot = RooArgSet(crystalBall) fitFunction.plotOn(frame, RooFit.Components(toPlot), RooFit.LineStyle(kDashed), RooFit.LineColor(kRed)) toPlot = RooArgSet(gauss) fitFunction.plotOn(frame, RooFit.Components(toPlot), RooFit.LineStyle(kDashed), RooFit.LineColor(kBlue)) fitFunction.paramOn(frame,RooFit.Layout(0.55, 0.9, 0.9)) ; # # Draw frame on a canvas c = TCanvas("WMass","WMass",800,400) gPad.SetLeftMargin(0.15) frame.GetYaxis().SetTitleOffset(1.6) frame.Draw() gPad.Update() if variable == '' and bin == '': c.Print( 'plots/WStudies/%s%s.pdf' % ( channel, treeSuffix ) ) elif variable != '' and bin != '': outputDir = 'plots/WStudies/%s%s/%s' % (channel, treeSuffix, variable) if not os.path.exists( outputDir ): os.makedirs( outputDir ) c.Print( '%s/%s.pdf' % (outputDir, bin) ) # raw_input('Carry on') # mg.Print() return mg
def rf501_simultaneouspdf(): # C r e a t e m o d e l f o r p h y s i c s s a m p l e # ------------------------------------------------------------- # Create observables x = RooRealVar("x", "x", 40, 200) nsig = RooRealVar("nsig", "#signal events", 200, 0.0, 10000) nbkg = RooRealVar("nbkg", "#background events", 800, 0.0, 200000) # Construct signal pdf mean = RooRealVar("mean", "mean", mu4, 40, 200) sigma = RooRealVar("sigma", "sigma", sigma4, 0.1, 20) gx = RooGaussian("gx", "gx", x, mean, sigma) # Construct background pdf mean_bkg = RooRealVar("mean_bkg", "mean_bkg", mu3, 40, 200) sigma_bkg = RooRealVar("sigma_bkg", "sigma_bkg", sigma3, 0.1, 20) px = RooGaussian("px", "px", x, mean_bkg, sigma_bkg) # Construct composite pdf model = RooAddPdf("model", "model", RooArgList(gx, px), RooArgList(nsig, nbkg)) # C r e a t e m o d e l f o r c o n t r o l s a m p l e # -------------------------------------------------------------- # Construct signal pdf. # NOTE that sigma is shared with the signal sample model y = RooRealVar("y", "y", 40, 200) mean_ctl = RooRealVar("mean_ctl", "mean_ctl", mu2, 40, 200) sigma_ctl = RooRealVar("sigma", "sigma", sigma2, 0.1, 10) gx_ctl = RooGaussian("gx_ctl", "gx_ctl", y, mean_ctl, sigma_ctl) # Construct the background pdf mean_bkg_ctl = RooRealVar("mean_bkg_ctl", "mean_bkg_ctl", mu1, 40, 200) sigma_bkg_ctl = RooRealVar("sigma_bkg_ctl", "sigma_bkg_ctl", sigma1, 0.1, 20) px_ctl = RooGaussian("px_ctl", "px_ctl", y, mean_bkg_ctl, sigma_bkg_ctl) # Construct the composite model # f_ctl = RooRealVar( "f_ctl", "f_ctl", 0.5, 0., 20. ) model_ctl = RooAddPdf("model_ctl", "model_ctl", RooArgList(gx_ctl, px_ctl), RooArgList(nsig, nbkg)) # G e t e v e n t s f o r b o t h s a m p l e s # --------------------------------------------------------------- real_data, real_data_ctl = get_data() real_data_hist = RooDataHist("real_data_hist", "real_data_hist", RooArgList(x), real_data) real_data_ctl_hist = RooDataHist("real_data_ctl_hist", "real_data_ctl_hist", RooArgList(y), real_data_ctl) input_hists = MapStrRootPtr() input_hists.insert(StrHist("physics", real_data)) input_hists.insert(StrHist("control", real_data_ctl)) # C r e a t e i n d e x c a t e g o r y a n d j o i n s a m p l e s # --------------------------------------------------------------------------- # Define category to distinguish physics and control samples events sample = RooCategory("sample", "sample") sample.defineType("physics") sample.defineType("control") # Construct combined dataset in (x,sample) combData = RooDataHist("combData", "combined data", RooArgList(x), sample, input_hists) # C o n s t r u c t a s i m u l t a n e o u s p d f i n ( x , s a m p l e ) # ----------------------------------------------------------------------------------- # Construct a simultaneous pdf using category sample as index simPdf = RooSimultaneous("simPdf", "simultaneous pdf", sample) # Associate model with the physics state and model_ctl with the control state simPdf.addPdf(model, "physics") simPdf.addPdf(model_ctl, "control") # P e r f o r m a s i m u l t a n e o u s f i t # --------------------------------------------------- model.fitTo(real_data_hist) summary = "fit in signal region\n" summary += "nsig: " + str(nsig.getValV()) + " +- " + str(nsig.getError()) + "\n" summary += "nbkg: " + str(nbkg.getValV()) + " +- " + str(nbkg.getError()) + "\n" model_ctl.fitTo(real_data_ctl_hist) summary += "fit in control region\n" summary += "nsig: " + str(nsig.getValV()) + " +- " + str(nsig.getError()) + "\n" summary += "nbkg: " + str(nbkg.getValV()) + " +- " + str(nbkg.getError()) + "\n" # Perform simultaneous fit of model to data and model_ctl to data_ctl simPdf.fitTo(combData) summary += "Combined fit\n" summary += "nsig: " + str(nsig.getValV()) + " +- " + str(nsig.getError()) + "\n" summary += "nbkg: " + str(nbkg.getValV()) + " +- " + str(nbkg.getError()) + "\n" # P l o t m o d e l s l i c e s o n d a t a s l i c e s # ---------------------------------------------------------------- # Make a frame for the physics sample frame1 = x.frame(RooFit.Bins(30), RooFit.Title("Physics sample")) # Plot all data tagged as physics sample combData.plotOn(frame1, RooFit.Cut("sample==sample::physics")) # Plot "physics" slice of simultaneous pdf. # NBL You _must_ project the sample index category with data using ProjWData # as a RooSimultaneous makes no prediction on the shape in the index category # and can thus not be integrated simPdf.plotOn(frame1, RooFit.Slice(sample, "physics"), RooFit.ProjWData(RooArgSet(sample), combData)) simPdf.plotOn( frame1, RooFit.Slice(sample, "physics"), RooFit.Components("px"), RooFit.ProjWData(RooArgSet(sample), combData), RooFit.LineStyle(kDashed), ) # The same plot for the control sample slice frame2 = y.frame(RooFit.Bins(30), RooFit.Title("Control sample")) combData.plotOn(frame2, RooFit.Cut("sample==sample::control")) simPdf.plotOn(frame2, RooFit.Slice(sample, "control"), RooFit.ProjWData(RooArgSet(sample), combData)) simPdf.plotOn( frame2, RooFit.Slice(sample, "control"), RooFit.Components("px_ctl"), RooFit.ProjWData(RooArgSet(sample), combData), RooFit.LineStyle(kDashed), ) simPdf.plotOn( frame2, RooFit.Slice(sample, "control"), RooFit.Components("gx_ctl"), RooFit.ProjWData(RooArgSet(sample), combData), RooFit.LineStyle(kDashed), ) c = TCanvas("rf501_simultaneouspdf", "rf403_simultaneouspdf", 800, 400) c.Divide(2) c.cd(1) gPad.SetLeftMargin(0.15) frame1.GetYaxis().SetTitleOffset(1.4) frame1.Draw() c.cd(2) gPad.SetLeftMargin(0.15) frame2.GetYaxis().SetTitleOffset(1.4) frame2.Draw() print summary raw_input()
fintegral = ratio.createIntegral(RooArgSet(time), 'fullrange').getVal() hintegral = ratiohist.Integral('width') # has weights, use width norm = fintegral / hintegral print '=' * 5, ' Integrals ', '=' * 5 print 'Function integral / histogram integral = %g / %g = %g' % ( fintegral, hintegral, norm) ratiohist.Scale(norm) # make dataset from histogram ratiodset = RooDataHist('ratiodset', '', RooArgList(time), ratiohist) ratiodset.Print('v') ## Plot tframe = time.frame(RooFit.Title('Time acceptance ratio')) paramset = RooArgSet(rturnon, roffset, rbeta) ratio.plotOn(tframe, RooFit.VisualizeError(fitresult, paramset, 1, False)) ratio.plotOn(tframe) ratiodset.plotOn(tframe, RooFit.MarkerStyle(kFullDotMedium)) tframe.Draw() # Print if doPrint: print 'Plotting to file: plots/DsK_ratio_%s.{png,pdf}' % timestamp gPad.Print('plots/DsK_ratio_%s.png' % timestamp) gPad.Print('plots/DsK_ratio_%s.pdf' % timestamp) # NB: Do not close file, otherwise plot disappears # ffile.Close()
def fitLandauGaus(hist, full = False): ## c1 = ROOT.TCanvas() ## c1.Divide(2) ## c1.cd(1) ## hist.Draw() neg_landau = False if hist.GetMean() < 0.: neg_landau = True if neg_landau: hist = turnHisto(hist) hist.Rebin(2) hist.SetTitle('') hist.SetName('hSignal') ## c1.cd(2) ## hist.Draw('hist') ## c1.SaveAs('foobar.pdf') ### #if neg_landau: ### # func = ROOT.TF1('my_landau','[0] * TMath::Landau(-x,[1],[2])', hist.GetXaxis().GetXmin(), hist.GetXaxis().GetXmax()) ### # func.SetParameters(1, hist.GetMean(), hist.GetRMS() ) ### #else: ### func = ROOT.TF1('my_landau','[0] * TMath::Landau(x,[1],[2])', hist.GetXaxis().GetXmin(), hist.GetXaxis().GetXmax()) ### func.SetParameters(1, hist.GetMean(), hist.GetRMS() ) ### hist.Fit('my_landau','q') ### fit_res = [] ### fit_res.append(func.GetParameter(0) if not neg_landau else func.GetParameter(0)) ### fit_res.append(func.GetParameter(1) if not neg_landau else -1.*func.GetParameter(1)) ### fit_res.append(func.GetParameter(2) if not neg_landau else func.GetParameter(2)) ### return hist, fit_res ## ROOFIT VERSION xmin = hist.GetXaxis().GetXmin() xmax = hist.GetXaxis().GetXmax() mean = hist.GetMean() mp = hist.GetXaxis().GetBinCenter(hist.GetMaximumBin()) rms = hist.GetRMS() flandau = ROOT.TF1('flandau','landau',mp-20,mp+40) flandau.SetLineWidth(1) flandau.SetLineColor(ROOT.kBlue) hist2 = hist.Clone(hist.GetName()+'_2') hist2.Scale(1./hist2.GetBinContent(hist2.GetMaximumBin())) hist2.Fit(flandau,'Q','',mp-20,mp+40) flandau2 = flandau.Clone('flandau2') flandau2.SetRange(0,500) flandau2.SetLineStyle(2) for i in range(flandau.GetNpar()): flandau2.SetParLimits(i,flandau.GetParameter(i),flandau.GetParameter(i)) hist2.Fit(flandau2,'Q+')#,'same',mp-20,mp+40) for i in range(flandau.GetNpar()): hist2.GetFunction('flandau2').SetParameter(i,flandau.GetParameter(i)) for i in range(flandau.GetNpar()): print flandau.GetParameter(i),flandau2.GetParameter(i) x = RooRealVar('x', 'signal / adc', 0,500) x.setRange("signal",mp - 40, mp+90) x.setRange("draw",0,500) ral = RooArgList(x) dh = RooDataHist('dh', 'dh', ral, RooFit.Import(hist)) if full: ml = RooRealVar('ml', 'mean landau' , mp, mp-20., mp+30) sl = RooRealVar('sl', 'sigma landau', 10, 1., 25.) else: ml = RooRealVar('ml', 'mean landau' , mean, mean-40., mean) sl = RooRealVar('sl', 'sigma landau', 10., 6., 14.) landau = RooLandau ('lx', 'lx', x, ml, sl) mean = 0 if full: mg = RooRealVar ('mg', 'mean gaus' , 0,0,0) sg = RooRealVar ('sg', 'sigma gaus', flandau.GetParameter(2), 0.1, 30.) else: mg = RooRealVar ('mg', 'mean gaus' , 0,0,0) #mean, mean-30., mean+30.) sg = RooRealVar ('sg', 'sigma gaus', 2., 0.1, 20.) gaus = RooGaussian('gx', 'gx', x, mg, sg) x.setBins(1000,'cache') ## Construct landau (x) gauss lxg = RooFFTConvPdf('lxg','landau (x) gaus', x, landau, gaus) lxg.fitTo(dh,RooFit.Range("signal")) #,RooFit.Normalization(ROOT.RooAbsReal.NumEvent,1)) a = lxg.getParameters(dh) print 'fit par0 %+6.1f'%flandau.GetParameter(0) print 'fit par1 %+6.1f'%flandau.GetParameter(1) print 'fit par2 %+6.1f'%flandau.GetParameter(2) print 'mp %+6.1f'%mp print 'rms %+6.1f'%rms print 'lxg.getParameters(dh).getRealValue(\'ml\'): %+6.1f'% a.getRealValue('ml') print 'lxg.getParameters(dh).getRealValue(\'sl\'): %+6.1f'% a.getRealValue('sl') print 'lxg.getParameters(dh).getRealValue(\'sg\'): %+6.1f'% a.getRealValue('sg') frame = x.frame(RooFit.Title('landau (x) gauss convolution'),RooFit.Range("draw")) #,RooFit.Normalization(ROOT.RooAbsReal.NumEvent,1)) dh.plotOn(frame,RooFit.Range("draw")) #,RooFit.Normalization(1./dh.numEntries(),ROOT.RooAbsReal.Raw)) lxg.plotOn(frame,RooFit.LineColor(ROOT.kRed),RooFit.Range("draw")) #,RooFit.Normalization(1,ROOT.RooAbsReal.Raw)) #lxg.plotOn(frame,RooFit.LineColor(ROOT.kBlue),RooFit.Range("signal"),RooFit.Components('lx,gx')) # c = ROOT.TCanvas('lg_convolution','landau (x) gaus', 600, 600) # c.Divide(2) # c.cd(1) # hist.Draw() # c.cd(2) # ROOT.gPad.SetLeftMargin(0.15) # frame.GetYaxis().SetTitleOffset(1.4) # frame.Draw() # c.SaveAs('histograms/outputhisto'+hist.GetName().split('pz')[1]+'.pdf') return dh, copy.deepcopy(a), copy.deepcopy(frame),copy.deepcopy(hist2)
def Subtract_Distribution(dataset, DTF_D0sPi_M, LOG_D0_IPCHI2_OWNPV, bin = "undefined", silent = False): dataset_sig = RooDataSet("dataset_sig", "Signal region",dataset, RooArgSet(DTF_D0sPi_M, LOG_D0_IPCHI2_OWNPV) ," ( DTF_D0sPi_M < 2015 ) ") dataset_bckg = RooDataSet("dataset_bckg", "Background region",dataset, RooArgSet(DTF_D0sPi_M, LOG_D0_IPCHI2_OWNPV) ," ( DTF_D0sPi_M > 2015 ) && ( DTF_D0sPi_M < 2020 ) ") #Introduce fit variables ## Johnson parameters J_mu = RooRealVar("J_mu","J_mu", 2011, 2000, 2020) J_sigma = RooRealVar("J_sigma","J_sigma", 0.045, 0.01, 0.1) J_delta = RooRealVar("J_delta","J_delta", 0., -1, 1) J_gamma = RooRealVar("J_gamma","J_gamma", 0., -1, 1) ## Gaussian parameters G1_mu = RooRealVar("G1_mu","G1_mu", 2010, 2008, 2012) G1_sigma = RooRealVar("G1_sigma","G1_sigma", 1.0, 0.01, 5) G2_mu = RooRealVar("G2_mu","G2_mu", 2010, 2008, 2012) G2_sigma = RooRealVar("G2_sigma","G2_sigma", 0.4, 0.01, 5) G3_mu = RooRealVar("G3_mu","G3_mu", 2010, 2008, 2012) G3_sigma = RooRealVar("G3_sigma","G3_sigma", 0.2, 0.01, 5) ## Signal yields ratios fJ = RooRealVar("fJ","fJ", 0.5, 0., 1) fG1 = RooRealVar("fG1","fG1", 0.5, 0., 1) fG2 = RooRealVar("fG2","fG2", 0.5, 0., 1) ##Background parameters B_b = RooRealVar("B_b","B_b", 1.09, 0.9, 1.5) B_c = RooRealVar("B_c","B_c", 0.0837, 0.01, 0.2) ##Total yield N_S = RooRealVar("N_S","N_S", 0.6*dataset.numEntries(), 0, 1.1*dataset.numEntries()) N_B = RooRealVar("N_B","N_B", 0.3*dataset.numEntries(), 0, 1.1*dataset.numEntries()) #Define shapes s_Johnson = ROOT.Johnson("s_Johnson", "s_Johnson", DTF_D0sPi_M, J_mu, J_sigma, J_delta, J_gamma) s_Gauss1 = ROOT.RooGaussian("s_Gauss1","s_Gauss1", DTF_D0sPi_M, G1_mu, G1_sigma) s_Gauss2 = ROOT.RooGaussian("s_Gauss2","s_Gauss2", DTF_D0sPi_M, G2_mu, G2_sigma) s_Gauss3 = ROOT.RooGaussian("s_Gauss3","s_Gauss3", DTF_D0sPi_M, G3_mu, G3_sigma) s_Background = ROOT.Background("s_Background", "s_Background", DTF_D0sPi_M, B_b, B_c) s_Signal = RooAddPdf("s_Signal", "s_Signal", RooArgList(s_Gauss1, s_Gauss2, s_Gauss3), RooArgList(fG1, fG2), True) s_Total = RooAddPdf("s_Total", "s_Total", RooArgList(s_Signal, s_Background), RooArgList(N_S, N_B)) dataset_binned = RooDataHist("dataset_binned","Binned data", RooArgSet(DTF_D0sPi_M), dataset) #Fit shapes fit_hists = s_Total.fitTo(dataset_binned,RooFit.SumW2Error(True),RooFit.Save()) if not silent: ipframe_1 = DTF_D0sPi_M.frame(RooFit.Title("Fit example")) dataset_binned.plotOn(ipframe_1) s_Total.plotOn(ipframe_1, RooFit.Components("s_Signal"), RooFit.LineColor(2),RooFit.LineWidth(4)) s_Total.plotOn(ipframe_1, RooFit.Components("s_Johnson"), RooFit.LineColor(5),RooFit.LineWidth(2), RooFit.LineStyle(3)) s_Total.plotOn(ipframe_1, RooFit.Components("s_Gauss1"), RooFit.LineColor(6),RooFit.LineWidth(2), RooFit.LineStyle(3)) s_Total.plotOn(ipframe_1, RooFit.Components("s_Gauss2"), RooFit.LineColor(7),RooFit.LineWidth(2), RooFit.LineStyle(3)) s_Total.plotOn(ipframe_1, RooFit.Components("s_Gauss3"), RooFit.LineColor(8),RooFit.LineWidth(2), RooFit.LineStyle(3)) s_Total.plotOn(ipframe_1, RooFit.Components("s_Background"), RooFit.LineColor(4),RooFit.LineWidth(4)) s_Total.plotOn(ipframe_1, RooFit.LineColor(1), RooFit.LineWidth(4)) DTF_D0sPi_M.setRange("Background_region", 2015, 2020) DTF_D0sPi_M.setRange("Signal_region", 2002, 2015) Bckg_int = s_Background.createIntegral(RooArgSet(DTF_D0sPi_M), RooArgSet(DTF_D0sPi_M), "Background_region") Sig_int = s_Background.createIntegral(RooArgSet(DTF_D0sPi_M), RooArgSet(DTF_D0sPi_M), "Signal_region") w = RooRealVar("w","w",-1,1) w.setVal(1) dataset_sig.addColumn(w, False) w.setVal(-float(Sig_int.getVal())/float(Bckg_int.getVal())) dataset_bckg.addColumn(w, False) dataset_all = RooDataSet("dataset_all", "dataset_all",dataset_bckg, RooArgSet(DTF_D0sPi_M, LOG_D0_IPCHI2_OWNPV, w), "1>0", "w") dataset_all.append(dataset_sig) if not silent: ipframe_2 = LOG_D0_IPCHI2_OWNPV.frame(RooFit.Title("IPChi2 distribution")) dataset_bckg.plotOn(ipframe_2, RooFit.LineColor(4), RooFit.MarkerColor(4)) dataset_all.plotOn(ipframe_2, RooFit.LineColor(3), RooFit.MarkerColor(3)) dataset_sig.plotOn(ipframe_2, RooFit.LineColor(2), RooFit.MarkerColor(2)) c1 = TCanvas("c1","c1",900,900) ipframe_1.Draw() c1.SaveAs("plots/Subtraction_Control/Bin_"+str(bin)+"_frame1.pdf") c1.SaveAs("plots/Subtraction_Control/Bin_"+str(bin)+"_frame1_C.C") c2 = TCanvas("c2","c2",900,900) ipframe_2.Draw() c2.SaveAs("plots/Subtraction_Control/Bin_"+str(bin)+"_frame2.pdf") c2.SaveAs("plots/Subtraction_Control/Bin_"+str(bin)+"_frame2_C.C") ipframe_1.SaveAs("plots/Subtraction_Control/Bin_"+str(bin)+"_ipframe1.C") ipframe_2.SaveAs("plots/Subtraction_Control/Bin_"+str(bin)+"_ipframe2.C") return dataset_all
from ROOT import TH1F, RooRealVar, TCanvas, RooDataHist, RooFit, RooGaussian, kTRUE, RooArgList, RooAddPdf, TLatex hh = TH1F("hh", "The hist", 100, -5, 5) hh.FillRandom("gaus", 10000) c = TCanvas("c", "c", 600, 600) hh.Draw() #Save data in RooDataHist x = RooRealVar("x", "x", -5, 5) data = RooDataHist("data", "dataset with x", RooArgList(x), hh) xframe = x.frame() data.plotOn(xframe) c1 = TCanvas("c1", "c1", 1200, 600) c1.Divide(2, 1) c1.cd(1) xframe.Draw() #Create PDF mean = RooRealVar("mean", "MeanofGaussian", 0, -10, 10) sigma = RooRealVar("sigma", "WidthofGaussian", 3, -10, 10) gauss = RooGaussian("gauss", "gauss(x,mean,sigma)", x, mean, sigma) g1sig = RooRealVar("g1sig", "fraction of gauss1", 10, 0, 100000.0) # Build signal PDF: f1 signalPDF = RooAddPdf("signalPDF", "g1sig * g1", RooArgList(gauss), RooArgList(g1sig)) #mean.setConstant(kTRUE); #fix mean sigma.setRange(0.1, 3)
class CBfunction: doubleSidedCB = False gaussian = False nbins = 600 xmin = 0 xmax = 12000 xaxis_scale = 0.2 a_initial = 0.5 n_initial = 7 a2_initial = 0.5 n2_initial = 7 s_initial = 60 def __init__(self,data): self.data = data ## data should be TChain already def set_crystal(self,crystal): self.crystal = crystal def set_energy(self,energy): self.energy = energy def set_position(self,x=0,y=0,window=20): self.xcenter = x self.ycenter = y self.window = window def set_selection(self): self.selection = "n_tracks==1 && fabs(X-(%.2f))<%.2f && fabs(Y-(%.2f))<%.2f"%(self.xcenter,self.window,self.ycenter,self.window) def prepare_sumhistogram(self,dict_crystals_calibration,matrix): self.set_selection() self.hist = ROOT.TH1F("ampl_%s_%s"%(self.crystal,self.energy),"ampl_%s_%s"%(self.crystal,self.energy),self.nbins,self.xmin,self.xmax) draw_function = '(' for enum,cryst in enumerate(matrix): #draw_function +='fit_ampl[%s]*%.4f'%(cryst,dict_crystals_calibration[cryst]) draw_function +='((fit_ampl[%s] > 0) ? fit_ampl[%s] : amp_max[%s])*%.4f'%(cryst,cryst,cryst,dict_crystals_calibration[cryst]) if enum!=len(matrix)-1 : draw_function+='+' # else : draw_function+=")*%.4f>>ampl_%s_%s"%(dict_crystals_calibration['conversion_factor'],self.crystal,self.energy) else : draw_function+=")>>ampl_%s_%s"%(self.crystal,self.energy) self.data.Draw(draw_function,self.selection,"goff") self.peak_position = self.hist.GetXaxis().GetBinCenter(self.hist.GetMaximumBin()) self.ymax_value = self.hist.GetMaximum() def prepare_histogram(self): self.set_selection() self.hist = ROOT.TH1F("ampl_%s_%s"%(self.crystal,self.energy),"ampl_%s_%s"%(self.crystal,self.energy),self.nbins,self.xmin,self.xmax) self.data.Draw("fit_ampl[%s]>>ampl_%s_%s"%(self.crystal,self.crystal,self.energy),self.selection,"goff") self.peak_position = self.hist.GetXaxis().GetBinCenter(self.hist.GetMaximumBin()) self.ymax_value = self.hist.GetMaximum() def prepare_histogram_time(self): self.set_selection() self.hist = ROOT.TH1F("ampl_%s_%s"%(self.crystal,self.energy),"ampl_%s_%s"%(self.crystal,self.energy),self.nbins,self.xmin,self.xmax) self.data.Draw("((fit_time[%s]-fit_time[MCP2]+fit_time[VFE_CLK])-int((fit_time[%s]-fit_time[MCP2]+fit_time[VFE_CLK])/6.238)*6.238)>>ampl_%s_%s"%(self.crystal,self.crystal,self.crystal,self.energy),self.selection,"goff") self.peak_position = self.hist.GetXaxis().GetBinCenter(self.hist.GetMaximumBin()) self.ymax_value = self.hist.GetMaximum() def plot_histogram_time(self): self.hist.Draw("HISTsame") def CBintialization(self): round_energy = round(float(self.energy),-1) if round_energy ==240 : round_energy = 250 self.x = RooRealVar("signal_%s_%dGeV"%(self.crystal,round_energy),"signal_%s_%dGeV"%(self.crystal,round_energy),max(0.,self.peak_position*(1-self.xaxis_scale)),self.peak_position*(1+self.xaxis_scale)) self.roohist = RooDataHist("roohist_fit_%s_%s"%(self.crystal,self.energy),"roohist_fit_%s_%s"%(self.crystal,self.energy),RooArgList(self.x),self.hist) self.m = RooRealVar("mean_%s_%s"%(self.crystal,self.energy),"mean_%s_%s"%(self.crystal,self.energy),self.peak_position,max(0.,self.peak_position*(1-self.xaxis_scale)),self.peak_position*(1+self.xaxis_scale)) self.s = RooRealVar("sigma_%s_%s"%(self.crystal,self.energy),"sigma_%s_%s"%(self.crystal,self.energy),self.s_initial,0.001,1.) #500. self.a = RooRealVar("alpha_%s_%s"%(self.crystal,self.energy),"alpha_%s_%s"%(self.crystal,self.energy),self.a_initial,-10.,10) self.n = RooRealVar("exp_%s_%s"%(self.crystal,self.energy),"exp_%s_%s"%(self.crystal,self.energy),self.n_initial,0.,30) self.sig = RooCBShape("signal_%s_%s"%(self.crystal,self.energy),"signal_%s_%s"%(self.crystal,self.energy),self.x,self.m,self.s,self.a,self.n) def Gausintialization(self): round_energy = round(float(self.energy),-1) if round_energy ==240 : round_energy = 250 self.x = RooRealVar("signal_%s_%dGeV"%(self.crystal,round_energy),"signal_%s_%dGeV"%(self.crystal,round_energy),max(0.,self.peak_position*(1-self.xaxis_scale)),self.peak_position*(1+self.xaxis_scale)) self.roohist = RooDataHist("roohist_fit_%s_%s"%(self.crystal,self.energy),"roohist_fit_%s_%s"%(self.crystal,self.energy),RooArgList(self.x),self.hist) self.m = RooRealVar("mean_%s_%s"%(self.crystal,self.energy),"mean_%s_%s"%(self.crystal,self.energy),self.peak_position,max(0.,self.peak_position*(1-self.xaxis_scale)),self.peak_position*(1+self.xaxis_scale)) self.s = RooRealVar("sigma_%s_%s"%(self.crystal,self.energy),"sigma_%s_%s"%(self.crystal,self.energy),self.s_initial,0.001,1.) self.sig = RooGaussian("signal_%s_%s"%(self.crystal,self.energy),"signal_%s_%s"%(self.crystal,self.energy),self.x,self.m,self.s) def CB2intialization(self): round_energy = round(float(self.energy),-1) self.x = RooRealVar("signal_%s_%dGeV"%(self.crystal,round_energy),"signal_%s_%dGeV"%(self.crystal,round_energy),max(0.,self.peak_position*(1-self.xaxis_scale)),self.peak_position*(1+self.xaxis_scale)) self.roohist = RooDataHist("roohist_fit_%s_%s"%(self.crystal,self.energy),"roohist_fit_%s_%s"%(self.crystal,self.energy),RooArgList(self.x),self.hist) self.m = RooRealVar("mean_%s_%s"%(self.crystal,self.energy),"mean_%s_%s"%(self.crystal,self.energy),self.peak_position,max(0.,self.peak_position*(1-self.xaxis_scale)),self.peak_position*(1+self.xaxis_scale)) self.s = RooRealVar("sigma_%s_%s"%(self.crystal,self.energy),"sigma_%s_%s"%(self.crystal,self.energy),self.s_initial,10,500) self.a = RooRealVar("alpha_%s_%s"%(self.crystal,self.energy),"alpha_%s_%s"%(self.crystal,self.energy),self.a_initial,-10.,10) self.a2 = RooRealVar("alpha2_%s_%s"%(self.crystal,self.energy),"alpha2_%s_%s"%(self.crystal,self.energy),self.a2_initial,-10.,10) self.n = RooRealVar("exp_%s_%s"%(self.crystal,self.energy),"exp_%s_%s"%(self.crystal,self.energy),self.n_initial,0.,30) self.n2 = RooRealVar("exp2_%s_%s"%(self.crystal,self.energy),"exp2_%s_%s"%(self.crystal,self.energy),self.n2_initial,0.,30) self.sig = ROOT.My_double_CB("signal_%s_%s"%(self.crystal,self.energy),"signal_%s_%s"%(self.crystal,self.energy),self.x,self.m,self.s,self.a,self.n,self.a2,self.n2) def fitToData(self): self.res = self.sig.fitTo(self.roohist) def fitResults(self): self.dict_fit_results = {} self.dict_fit_results['CBmean'] = [self.m.getVal(),self.m.getError()] self.dict_fit_results['CBsigma'] = [self.s.getVal(),self.s.getError()] if (self.gaussian==False) : self.dict_fit_results['CBalpha'] = [self.a.getVal(),self.a.getError()] self.dict_fit_results['CBexp'] = [self.n.getVal(),self.n.getError()] if (self.doubleSidedCB==True) : self.dict_fit_results['CBalpha2'] = [self.a2.getVal(),self.a2.getError()] self.dict_fit_results['CBexp2'] = [self.n2.getVal(),self.n2.getError()] self.dict_fit_results['chi2'] = self.chi2 return self.dict_fit_results def plot(self): self.frame = self.x.frame() self.roohist.plotOn(self.frame,RooFit.Name("roohist_chi2_%s_%s"%(self.crystal,self.energy))) self.sig.plotOn(self.frame,RooFit.Name("signal_chi2_%s_%s"%(self.crystal,self.energy))) ndf = 4 self.chi2 = self.frame.chiSquare("signal_chi2_%s_%s"%(self.crystal,self.energy),"roohist_chi2_%s_%s"%(self.crystal,self.energy),ndf) # 4 = nFitParameters from CB self.sig.paramOn(self.frame,RooFit.Layout(0.65,0.99,0.8)) self.frame.getAttText().SetTextSize(0.02) txt_chi2 = ROOT.TText(self.peak_position*(1.01-self.xaxis_scale),self.ymax_value*0.95,"Chi2 = %.1f"%self.chi2) txt_chi2.SetTextSize(0.04) txt_chi2.SetTextColor(ROOT.kRed) self.frame.addObject(txt_chi2) self.frame.Draw() def plot_time(self): self.frame = self.x.frame() self.roohist.plotOn(self.frame,RooFit.Name("roohist_chi2_%s_%s"%(self.crystal,self.energy))) self.frame.Draw()
def fit2GausPol1(Elo, Ehi, Emid, hist, name_prefix = None, area1_lo = None, area1_hi = None, area2_lo = None, area2_hi = None, offset_lo = None, offset_hi = None, slope_lo = None, slope_hi = None, nbkg_lo = None, nbkg_hi = None, verbose = None): """ Fitting two gaussian peaks on top of a first order polynomial background. Some parameters are hardcoded. A name can be provided to make the fit parameters unique. """ if area1_lo is None: area1_lo = 1. if area1_hi is None: area1_hi = 1.E4 if area2_lo is None: area2_lo = 1. if area2_hi is None: area2_hi = 1.E4 if nbkg_lo is None: nbkg_lo = 0. if nbkg_hi is None: nbkg_hi = 1.E4 if offset_lo is None: offset_lo = -10. if offset_hi is None: offset_hi = 100. if slope_lo is None: slope_lo = -0.1 if slope_hi is None: slope_hi = 0.1 if verbose is not None: print "Fitting two Gaussian peaks on top of a 1st order polynomial\ background to the", hist.GetName(), "in range:", Elo, "--", Ehi, "keV" ws = ROOT.RooWorkspace() bookstr = "Polynomial::pol1_bkg(" +\ "edep[" + Elo.__str__() + ", " + Ehi.__str__() +"]" +\ ", {bkg_offset[" + offset_lo.__str__() + "," +offset_hi.__str__()+ "]" +\ ", bkg_slope[" + slope_lo.__str__() +"," + slope_hi.__str__() +"]"+\ "} )" if verbose is not None: print bookstr ws.factory(bookstr) bookstr = "Gaussian::peak1_pdf(" +\ "edep[" + Elo.__str__() + ", " + Ehi.__str__() +"]" +\ ", centroid1[" + Elo.__str__() + ", " + (Emid+2).__str__() +"]" +\ ", sigma1[0.3, 10.])" if verbose is not None: print bookstr ws.factory(bookstr) bookstr = "Gaussian::peak2_pdf(" +\ "edep[" + Elo.__str__() + ", " + Ehi.__str__() +"]" +\ ", centroid2[" + (Emid-2).__str__() + ", " + Ehi.__str__() +"]" +\ ", sigma2[0.3, 10.])" if verbose is not None: print bookstr ws.factory(bookstr) bookstr = "SUM:sum_pdf(area1[" + area1_lo.__str__() + "," + area1_hi.__str__() + "]*peak1_pdf"+\ ", area2[" + area2_lo.__str__() + "," + area2_hi.__str__() + "]*peak2_pdf"+\ ", nbkg[" + nbkg_lo.__str__()+ "," + nbkg_hi.__str__() + "]*pol1_bkg)" if verbose is not None: print bookstr ws.factory(bookstr) #ws.factory("SUM:sum_pdf(area1[0,10000]*peak1_pdf, area2[0,1E5]*peak2_pdf, nbkg[0,100000]*pol1_bkg)") edep = ws.var("edep") pdf = ws.pdf("sum_pdf") centroid1 = ws.var("centroid1") centroid2 = ws.var("centroid2") datahist = RooDataHist("tmp_datahist","tmp_datahist", RooArgList(edep), hist) model_config = RooStats.ModelConfig("model_config", ws) model_config.SetPdf(pdf) model_config.SetParametersOfInterest(RooArgSet(ws.var("area1"), ws.var("area2"))) model_config.SetObservables(RooArgSet(ws.var("edep"))) model_config.SetNuisanceParameters(RooArgSet(ws.var("nbkg"))) pllCal = RooStats.ProfileLikelihoodCalculator(datahist, model_config) fit_result = pllCal.fFitResult pllCal.SetConfidenceLevel(0.683) interval = pllCal.GetInterval() POIs = model_config.GetParametersOfInterest() #lowerlimit = interval.LowerLimit(firstPOI) #upperlimit = interval.UpperLimit(firstPOI) if verbose is not None: print "Fit status:",fit_result.status() frame = edep.frame() datahist.plotOn(frame, RooFit.MarkerSize(0.3), RooFit.MarkerColor(ROOT.kAzure)) pdf.plotOn(frame, RooFit.Components("peak1_pdf"), RooFit.LineColor(ROOT.kOrange)) pdf.plotOn(frame, RooFit.Components("peak2_pdf"), RooFit.LineColor(ROOT.kOrange+2)) pdf.plotOn(frame, RooFit.Components("pol1_bkg"), RooFit.LineStyle(ROOT.kDotted), RooFit.LineColor(ROOT.kMagenta)) pdf.plotOn(frame, RooFit.LineColor(ROOT.kRed)) c = TCanvas() c.SetWindowSize(400,250) frame.Draw() output = {} output["fit_status"] = fit_result.status() output["area1"] = POIs["area1"] output["area2"] = POIs["area2"] output["nbkg"] = ws.var("nbkg") output["centroid1"] = ws.var("centroid1") output["centroid2"] = ws.var("centroid2") output["sigma1"] = ws.var("sigma1") output["sigma2"] = ws.var("sigma2") output["bkg_slope"] = ws.var("bkg_slope") output["bkg_offset"] = ws.var("bkg_offset") output["canvas"] = c for param in output: if hasattr(output[param], 'GetName'): oldname = output[param].GetName() if name_prefix is None: newname = hist.GetName() + "_" + Elo.__str__()\ + "_" + Ehi.__str__() + "_" + oldname else: newname = oldname output[param].SetName(newname) del ws return output
def pdf_logPt2_prelim(): #PDF fit to log_10(pT^2) for preliminary figure #tree_in = tree_incoh tree_in = tree #ptbin = 0.04 ptbin = 0.12 ptmin = -5. ptmax = 1. mmin = 2.8 mmax = 3.2 #fitran = [-5., 1.] fitran = [-0.9, 0.1] binned = False #gamma-gamma 131 evt for pT<0.18 #input data pT = RooRealVar("jRecPt", "pT", 0, 10) m = RooRealVar("jRecM", "mass", 0, 10) dataIN = RooDataSet("data", "data", tree_in, RooArgSet(pT, m)) strsel = "jRecM>{0:.3f} && jRecM<{1:.3f}".format(mmin, mmax) data = dataIN.reduce(strsel) #x is RooRealVar for log(Pt2) draw = "TMath::Log10(jRecPt*jRecPt)" draw_func = RooFormulaVar( "x", "Dielectron log_{10}( #it{p}_{T}^{2} ) ((GeV/c)^{2})", draw, RooArgList(pT)) x = data.addColumn(draw_func) x.setRange("fitran", fitran[0], fitran[1]) #binned data nbins, ptmax = ut.get_nbins(ptbin, ptmin, ptmax) hPt = TH1D("hPt", "hPt", nbins, ptmin, ptmax) hPtCoh = ut.prepare_TH1D("hPtCoh", ptbin, ptmin, ptmax) hPtCoh.SetLineWidth(2) #fill in binned data tree_in.Draw(draw + " >> hPt", strsel) tree_coh.Draw(draw + " >> hPtCoh", strsel) dataH = RooDataHist("dataH", "dataH", RooArgList(x), hPt) #range for plot x.setMin(ptmin) x.setMax(ptmax) x.setRange("plotran", ptmin, ptmax) #create the pdf b = RooRealVar("b", "b", 5., 0., 10.) pdf_func = "log(10.)*pow(10.,x)*exp(-b*pow(10.,x))" pdf_logPt2 = RooGenericPdf("pdf_logPt2", pdf_func, RooArgList(x, b)) #make the fit if binned == True: r1 = pdf_logPt2.fitTo(dataH, rf.Range("fitran"), rf.Save()) else: r1 = pdf_logPt2.fitTo(data, rf.Range("fitran"), rf.Save()) #calculate norm to number of events xset = RooArgSet(x) ipdf = pdf_logPt2.createIntegral(xset, rf.NormSet(xset), rf.Range("fitran")) print "PDF integral:", ipdf.getVal() if binned == True: nevt = tree_incoh.Draw( "", strsel + " && " + draw + ">{0:.3f}".format(fitran[0]) + " && " + draw + "<{1:.3f}".format(fitran[0], fitran[1])) else: nevt = data.sumEntries("x", "fitran") print "nevt:", nevt pdf_logPt2.setNormRange("fitran") print "PDF norm:", pdf_logPt2.getNorm(RooArgSet(x)) #a = nevt/ipdf.getVal() a = nevt / pdf_logPt2.getNorm(RooArgSet(x)) print "a =", a #gamma-gamma contribution hPtGG = ut.prepare_TH1D("hPtGG", ptbin, ptmin, ptmax) tree_gg.Draw(draw + " >> hPtGG", strsel) #ut.norm_to_data(hPtGG, hPt, rt.kGreen, -5., -2.9) ut.norm_to_num(hPtGG, 131., rt.kGreen + 1) print "Int GG:", hPtGG.Integral() #sum of all contributions hSum = ut.prepare_TH1D("hSum", ptbin, ptmin, ptmax) hSum.SetLineWidth(3) #add ggel to the sum hSum.Add(hPtGG) #add incoherent contribution func_logPt2 = TF1("pdf_logPt2", "[0]*log(10.)*pow(10.,x)*exp(-[1]*pow(10.,x))", -10., 10.) func_logPt2.SetParameters(a, b.getVal()) hInc = ut.prepare_TH1D("hInc", ptbin, ptmin, ptmax) ut.fill_h1_tf(hInc, func_logPt2) hSum.Add(hInc) #add coherent contribution ut.norm_to_data(hPtCoh, hPt, rt.kBlue, -5., -2.2) # norm for coh hSum.Add(hPtCoh) #set to draw as a lines ut.line_h1(hSum, rt.kBlack) #create canvas frame can = ut.box_canvas() ut.set_margin_lbtr(gPad, 0.11, 0.1, 0.01, 0.01) frame = x.frame(rf.Bins(nbins), rf.Title("")) frame.SetTitle("") frame.SetYTitle("J/#psi candidates / ({0:.3f}".format(ptbin) + " (GeV/c)^{2})") frame.GetXaxis().SetTitleOffset(1.2) frame.GetYaxis().SetTitleOffset(1.6) print "Int data:", hPt.Integral() #plot the data if binned == True: dataH.plotOn(frame, rf.Name("data")) else: data.plotOn(frame, rf.Name("data")) pdf_logPt2.plotOn(frame, rf.Range("fitran"), rf.LineColor(rt.kRed), rf.Name("pdf_logPt2")) pdf_logPt2.plotOn(frame, rf.Range("plotran"), rf.LineColor(rt.kRed), rf.Name("pdf_logPt2_full"), rf.LineStyle(rt.kDashed)) frame.Draw() leg = ut.prepare_leg(0.61, 0.77, 0.16, 0.19, 0.03) #ut.add_leg_mass(leg, mmin, mmax) hx = ut.prepare_TH1D("hx", 1, 0, 1) hx.Draw("same") ln = ut.col_lin(rt.kRed, 2) leg.AddEntry(hx, "Data", "p") leg.AddEntry(hSum, "Sum", "l") leg.AddEntry(hPtCoh, "Coherent J/#psi", "l") leg.AddEntry(ln, "Incoherent parametrization", "l") leg.AddEntry(hPtGG, "#gamma#gamma#rightarrow e^{+}e^{-}", "l") #leg.AddEntry(ln, "ln(10)*#it{A}*10^{log_{10}#it{p}_{T}^{2}}exp(-#it{b}10^{log_{10}#it{p}_{T}^{2}})", "l") leg.Draw("same") l0 = ut.cut_line(fitran[0], 0.9, frame) l1 = ut.cut_line(fitran[1], 0.9, frame) #l0.Draw() #l1.Draw() pleg = ut.prepare_leg(0.12, 0.75, 0.14, 0.22, 0.03) pleg.AddEntry(None, "#bf{|#kern[0.3]{#it{y}}| < 1}", "") ut.add_leg_mass(pleg, mmin, mmax) pleg.AddEntry(None, "STAR Preliminary", "") pleg.AddEntry(None, "AuAu@200 GeV", "") pleg.AddEntry(None, "UPC sample", "") pleg.Draw("same") desc = pdesc(frame, 0.14, 0.9, 0.057) desc.set_text_size(0.03) desc.itemD("#chi^{2}/ndf", frame.chiSquare("pdf_logPt2", "data", 2), -1, rt.kRed) desc.itemD("#it{A}", a, -1, rt.kRed) desc.itemR("#it{b}", b, rt.kRed) #desc.draw() #put the sum hSum.Draw("same") frame.Draw("same") #put gamma-gamma and coherent J/psi hPtGG.Draw("same") hPtCoh.Draw("same") #ut.invert_col(rt.gPad) can.SaveAs("01fig.pdf")
bkg = RooGenericPdf('bkg','1/(exp(pow(@0/@1,@2))+1)',RooArgList(x,x0,p)) fsig= RooRealVar('fsig','fsig',0.5,0.,1.) model = RooAddPdf('model','model',sig,bkg,fsig) can = TCanvas('can_Mjj'+str(mass),'can_Mjj'+str(mass),900,600) h.Draw() gPad.SetLogy() roohist = RooDataHist('roohist','roohist',RooArgList(x),h) model.fitTo(roohist) frame = x.frame() roohist.plotOn(frame) model.plotOn(frame) model.plotOn(frame,RooFit.Components('bkg'),RooFit.LineColor(ROOT.kRed),RooFit.LineWidth(2),RooFit.LineStyle(ROOT.kDashed)) frame.Draw('same') w = RooWorkspace('w','workspace') getattr(w,'import')(model) getattr(w,'import')(roohist) w.Print() w.writeToFile('RS'+str(mass)+'_workspace.root') #----- keep the GUI alive ------------ if __name__ == '__main__': rep = '' while not rep in ['q','Q']: rep = raw_input('enter "q" to quit: ')
sig = RooAddPdf("sig", "g+g", sig_1, sig_2, gFrac) #sig_1 = RooGaussian("sig_1","sig_1",mass,mean,sigma) nSig = RooRealVar("nSig", "nSig", 100, 100, len(data["mass"].values)) nBkg = RooRealVar("nBkg", "nBkg", 1000, 100, len(data["mass"].values)) #tot = RooAddPdf("tot","g+cheb",RooArgList(sig,sig_3,bkg),RooArgList(sFrac,bumpFrac)) tot = RooAddPdf("tot", "g+cheb", RooArgList(sig_1, bkg), RooArgList(nSig, nBkg)) h1 = TH1F("hist", "hist", 200, 4.05, 5.75) map(h1.Fill, data["mass"].values) masslist = RooArgList(mass) dh = RooDataHist("dh", "dh", masslist, h1) tot.fitTo(dh) canvas = TCanvas("c", "c", 1200, 1000) kkFrame = mass.frame() dh.plotOn(kkFrame) tot.plotOn(kkFrame) #,RooFit.Normalization(1.0/float(nfit))) dh.plotOn(kkFrame) #tot.paramOn(kkFrame,RooFit.Layout(0.57,0.99,0.65)) kkFrame.Draw() canvas.Draw() canvas.SaveAs("test.png")
def plot_rec_gen_track_phi(): #track azimuthal angle phi resolution as ( phi_track_rec - phi_track_gen )/phi_track_gen phibin = 0.0001 phimin = -0.02 phimax = 0.02 #ptlo = 0. #pthi = 0.9 fitran = [-0.01, 0.01] mmin = 2.8 mmax = 3.2 cbw = rt.kBlue #output log file out = open("out.txt", "w") #log fit parameters loglist1 = [(x, eval(x)) for x in ["infile_mc", "phibin", "phimin", "phimax"]] loglist2 = [(x, eval(x)) for x in ["fitran", "mmin", "mmax"]] strlog = ut.make_log_string(loglist1, loglist2) ut.log_results(out, strlog + "\n") strsel = "jRecM>{0:.3f} && jRecM<{1:.3f}".format(mmin, mmax) #strsel += " && jGenPt>{0:.3f}".format(ptlo) #strsel += " && jGenPt<{0:.3f}".format(pthi) nbins, phimax = ut.get_nbins(phibin, phimin, phimax) hPhiRel = ut.prepare_TH1D_n("hPhiRel", nbins, phimin, phimax) ytit = "Events / ({0:.4f})".format(phibin) xtit = "(#phi_{rec} - #phi_{gen})/#phi_{gen}" mctree.Draw("(jT0phi-jGenP0phi)/jGenP0phi >> hPhiRel", strsel) # positive charge mctree.Draw("(jT1phi-jGenP1phi)/jGenP1phi >>+hPhiRel", strsel) # add negative charge x = RooRealVar("x", "x", phimin, phimax) x.setRange("fitran", fitran[0], fitran[1]) rfPhiRel = RooDataHist("rfPhiRel", "rfPhiRel", RooArgList(x), hPhiRel) #Breit-Wigner pdf mean = RooRealVar("mean", "mean", 0., -0.1, 0.1) sigma = RooRealVar("sigma", "sigma", 0.01, 0., 0.9) bwpdf = RooBreitWigner("bwpdf", "bwpdf", x, mean, sigma) res = bwpdf.fitTo(rfPhiRel, rf.Range("fitran"), rf.Save()) #log fit results ut.log_results(out, ut.log_fit_result(res)) can = ut.box_canvas() ut.set_margin_lbtr(gPad, 0.12, 0.1, 0.05, 0.03) frame = x.frame(rf.Bins(nbins), rf.Title("")) ut.put_frame_yx_tit(frame, ytit, xtit) rfPhiRel.plotOn(frame, rf.Name("data")) bwpdf.plotOn(frame, rf.Precision(1e-6), rf.Name("bwpdf")) frame.Draw() desc = pdesc(frame, 0.12, 0.93, 0.057) #x, y, sep desc.set_text_size(0.03) desc.itemD("#chi^{2}/ndf", frame.chiSquare("bwpdf", "data", 2), -1, cbw) desc.prec = 2 desc.fmt = "e" desc.itemR("mean", mean, cbw) desc.itemR("#sigma", sigma, cbw) desc.draw() leg = ut.make_uo_leg(hPhiRel, 0.5, 0.8, 0.2, 0.2) #leg.Draw("same") #print "Entries: ", hPhiRel.GetEntries() #ut.invert_col(rt.gPad) can.SaveAs("01fig.pdf")
def main(): # usage description usage = "Example: ./scripts/createDatacards.py --inputData inputs/rawhistV7_Run2015D_scoutingPFHT_UNBLINDED_649_838_JEC_HLTplusV7_Mjj_cor_smooth.root --dataHistname mjj_mjjcor_gev --inputSig inputs/ResonanceShapes_gg_13TeV_Scouting_Spring15.root -f gg -o datacards -l 1866 --lumiUnc 0.027 --massrange 1000 1500 50 --runFit --p1 5 --p2 7 --p3 0.4 --massMin 838 --massMax 2037 --fitStrategy 2" # input parameters parser = ArgumentParser( description= 'Script that creates combine datacards and corresponding RooFit workspaces', epilog=usage) parser.add_argument("--inputData", dest="inputData", required=True, help="Input data spectrum", metavar="INPUT_DATA") parser.add_argument("--dataHistname", dest="dataHistname", required=True, help="Data histogram name", metavar="DATA_HISTNAME") parser.add_argument("--inputSig", dest="inputSig", required=True, help="Input signal shapes", metavar="INPUT_SIGNAL") parser.add_argument("-f", "--final_state", dest="final_state", required=True, help="Final state (e.g. qq, qg, gg)", metavar="FINAL_STATE") parser.add_argument("-f2", "--type", dest="atype", required=True, help="Type (e.g. hG, lG, hR, lR)") parser.add_argument( "-o", "--output_path", dest="output_path", required=True, help="Output path where datacards and workspaces will be stored", metavar="OUTPUT_PATH") parser.add_argument( "-l", "--lumi", dest="lumi", required=True, default=1000., type=float, help="Integrated luminosity in pb-1 (default: %(default).1f)", metavar="LUMI") parser.add_argument( "--massMin", dest="massMin", default=500, type=int, help= "Lower bound of the mass range used for fitting (default: %(default)s)", metavar="MASS_MIN") parser.add_argument( "--massMax", dest="massMax", default=1200, type=int, help= "Upper bound of the mass range used for fitting (default: %(default)s)", metavar="MASS_MAX") parser.add_argument( "--p1", dest="p1", default=5.0000e-03, type=float, help="Fit function p1 parameter (default: %(default)e)", metavar="P1") parser.add_argument( "--p2", dest="p2", default=9.1000e+00, type=float, help="Fit function p2 parameter (default: %(default)e)", metavar="P2") parser.add_argument( "--p3", dest="p3", default=5.0000e-01, type=float, help="Fit function p3 parameter (default: %(default)e)", metavar="P3") parser.add_argument( "--lumiUnc", dest="lumiUnc", required=True, type=float, help="Relative uncertainty in the integrated luminosity", metavar="LUMI_UNC") parser.add_argument("--jesUnc", dest="jesUnc", type=float, help="Relative uncertainty in the jet energy scale", metavar="JES_UNC") parser.add_argument( "--jerUnc", dest="jerUnc", type=float, help="Relative uncertainty in the jet energy resolution", metavar="JER_UNC") parser.add_argument( "--sqrtS", dest="sqrtS", default=13000., type=float, help="Collision center-of-mass energy (default: %(default).1f)", metavar="SQRTS") parser.add_argument("--fixP3", dest="fixP3", default=False, action="store_true", help="Fix the fit function p3 parameter") parser.add_argument("--runFit", dest="runFit", default=False, action="store_true", help="Run the fit") parser.add_argument("--fitBonly", dest="fitBonly", default=False, action="store_true", help="Run B-only fit") parser.add_argument("--fixBkg", dest="fixBkg", default=False, action="store_true", help="Fix all background parameters") parser.add_argument("--decoBkg", dest="decoBkg", default=False, action="store_true", help="Decorrelate background parameters") parser.add_argument("--fitStrategy", dest="fitStrategy", type=int, default=1, help="Fit strategy (default: %(default).1f)") parser.add_argument("--debug", dest="debug", default=False, action="store_true", help="Debug printout") parser.add_argument( "--postfix", dest="postfix", default='', help="Postfix for the output file names (default: %(default)s)") parser.add_argument("--pyes", dest="pyes", default=False, action="store_true", help="Make files for plots") parser.add_argument("--jyes", dest="jyes", default=False, action="store_true", help="Make files for JES/JER plots") parser.add_argument( "--pdir", dest="pdir", default='testarea', help="Name a directory for the plots (default: %(default)s)") parser.add_argument("--chi2", dest="chi2", default=False, action="store_true", help="Compute chi squared") parser.add_argument("--widefit", dest="widefit", default=False, action="store_true", help="Fit with wide bin hist") mass_group = parser.add_mutually_exclusive_group(required=True) mass_group.add_argument( "--mass", type=int, nargs='*', default=1000, help= "Mass can be specified as a single value or a whitespace separated list (default: %(default)i)" ) mass_group.add_argument( "--massrange", type=int, nargs=3, help="Define a range of masses to be produced. Format: min max step", metavar=('MIN', 'MAX', 'STEP')) mass_group.add_argument("--masslist", help="List containing mass information") args = parser.parse_args() if args.atype == 'hG': fstr = "bbhGGBB" in2 = 'bcorrbin/binmodh.root' elif args.atype == 'hR': fstr = "bbhRS" in2 = 'bcorrbin/binmodh.root' elif args.atype == 'lG': fstr = "bblGGBB" in2 = 'bcorrbin/binmodl.root' else: fstr = "bblRS" in2 = 'bcorrbin/binmodl.root' # check if the output directory exists if not os.path.isdir(os.path.join(os.getcwd(), args.output_path)): os.mkdir(os.path.join(os.getcwd(), args.output_path)) # mass points for which resonance shapes will be produced masses = [] if args.massrange != None: MIN, MAX, STEP = args.massrange masses = range(MIN, MAX + STEP, STEP) elif args.masslist != None: # A mass list was provided print "Will create mass list according to", args.masslist masslist = __import__(args.masslist.replace(".py", "")) masses = masslist.masses else: masses = args.mass # sort masses masses.sort() # import ROOT stuff from ROOT import gStyle, TFile, TH1F, TH1D, TGraph, kTRUE, kFALSE, TCanvas, TLegend, TPad, TLine from ROOT import RooHist, RooRealVar, RooDataHist, RooArgList, RooArgSet, RooAddPdf, RooFit, RooGenericPdf, RooWorkspace, RooMsgService, RooHistPdf, RooExtendPdf if not args.debug: RooMsgService.instance().setSilentMode(kTRUE) RooMsgService.instance().setStreamStatus(0, kFALSE) RooMsgService.instance().setStreamStatus(1, kFALSE) # input data file inputData = TFile(args.inputData) # input data histogram hData = inputData.Get(args.dataHistname) inData2 = TFile(in2) hData2 = inData2.Get('h_data') # input sig file inputSig = TFile(args.inputSig) sqrtS = args.sqrtS # mass variable mjj = RooRealVar('mjj', 'mjj', float(args.massMin), float(args.massMax)) # integrated luminosity and signal cross section lumi = args.lumi signalCrossSection = 1. # set to 1. so that the limit on r can be interpreted as a limit on the signal cross section for mass in masses: print ">> Creating datacard and workspace for %s resonance with m = %i GeV..." % ( args.final_state, int(mass)) # get signal shape hSig = inputSig.Get("h_" + args.final_state + "_" + str(int(mass))) # normalize signal shape to the expected event yield (works even if input shapes are not normalized to unity) hSig.Scale( signalCrossSection * lumi / hSig.Integral() ) # divide by a number that provides roughly an r value of 1-10 rooSigHist = RooDataHist('rooSigHist', 'rooSigHist', RooArgList(mjj), hSig) print 'Signal acceptance:', (rooSigHist.sumEntries() / hSig.Integral()) signal = RooHistPdf('signal', 'signal', RooArgSet(mjj), rooSigHist) signal_norm = RooRealVar('signal_norm', 'signal_norm', 0, -1e+05, 1e+05) signal_norm2 = RooRealVar('signal_norm2', 'signal_norm2', 0, -1e+05, 1e+05) signal_norm3 = RooRealVar('signal_norm3', 'signal_norm3', 0, -1e+05, 1e+05) signal_norm4 = RooRealVar('signal_norm4', 'signal_norm4', 0, -1e+05, 1e+05) signal_norm5 = RooRealVar('signal_norm5', 'signal_norm5', 0, -1e+05, 1e+05) if args.fitBonly: signal_norm.setConstant() signal_norm2.setConstant() signal_norm3.setConstant() signal_norm4.setConstant() signal_norm5.setConstant() p1 = RooRealVar('p1', 'p1', args.p1, 0., 100.) p2 = RooRealVar('p2', 'p2', args.p2, 0., 60.) p3 = RooRealVar('p3', 'p3', args.p3, -10., 10.) p4 = RooRealVar('p4', 'p4', 5.6, -50., 50.) p5 = RooRealVar('p5', 'p5', 10., -50., 50.) p6 = RooRealVar('p6', 'p6', .016, -50., 50.) p7 = RooRealVar('p7', 'p7', 8., -50., 50.) p8 = RooRealVar('p8', 'p8', .22, -50., 50.) p9 = RooRealVar('p9', 'p9', 14.1, -50., 50.) p10 = RooRealVar('p10', 'p10', 8., -50., 50.) p11 = RooRealVar('p11', 'p11', 4.8, -50., 50.) p12 = RooRealVar('p12', 'p12', 7., -50., 50.) p13 = RooRealVar('p13', 'p13', 7., -50., 50.) p14 = RooRealVar('p14', 'p14', 7., -50., 50.) p15 = RooRealVar('p15', 'p15', 1., -50., 50.) p16 = RooRealVar('p16', 'p16', 9., -50., 50.) p17 = RooRealVar('p17', 'p17', 0.6, -50., 50.) if args.fixP3: p3.setConstant() background = RooGenericPdf( 'background', '(pow(1-@0/%.1f,@1)/pow(@0/%.1f,@2+@3*log(@0/%.1f)))' % (sqrtS, sqrtS, sqrtS), RooArgList(mjj, p1, p2, p3)) dataInt = hData.Integral(hData.GetXaxis().FindBin(float(args.massMin)), hData.GetXaxis().FindBin(float(args.massMax))) background_norm = RooRealVar('background_norm', 'background_norm', dataInt, 0., 1e+08) background2 = RooGenericPdf( 'background2', '(pow(@0/%.1f,-@1)*pow(1-@0/%.1f,@2))' % (sqrtS, sqrtS), RooArgList(mjj, p4, p5)) dataInt2 = hData.Integral( hData.GetXaxis().FindBin(float(args.massMin)), hData.GetXaxis().FindBin(float(args.massMax))) background2_norm = RooRealVar('background2_norm', 'background2_norm', dataInt2, 0., 1e+08) background3 = RooGenericPdf('background3', '(1/pow(@1+@0/%.1f,@2))' % (sqrtS), RooArgList(mjj, p6, p7)) dataInt3 = hData.Integral( hData.GetXaxis().FindBin(float(args.massMin)), hData.GetXaxis().FindBin(float(args.massMax))) background3_norm = RooRealVar('background3_norm', 'background3_norm', dataInt3, 0., 1e+08) background4 = RooGenericPdf( 'background4', '(1/pow(@1+@2*@0/%.1f+pow(@0/%.1f,2),@3))' % (sqrtS, sqrtS), RooArgList(mjj, p8, p9, p10)) dataInt4 = hData.Integral( hData.GetXaxis().FindBin(float(args.massMin)), hData.GetXaxis().FindBin(float(args.massMax))) background4_norm = RooRealVar('background4_norm', 'background4_norm', dataInt4, 0., 1e+08) background5 = RooGenericPdf( 'background5', '(pow(@0/%.1f,-@1)*pow(1-pow(@0/%.1f,1/3),@2))' % (sqrtS, sqrtS), RooArgList(mjj, p11, p12)) dataInt5 = hData.Integral( hData.GetXaxis().FindBin(float(args.massMin)), hData.GetXaxis().FindBin(float(args.massMax))) background5_norm = RooRealVar('background5_norm', 'background5_norm', dataInt5, 0., 1e+08) background6 = RooGenericPdf( 'background6', '(pow(@0/%.1f,2)+@1*@0/%.1f+@2)' % (sqrtS, sqrtS), RooArgList(mjj, p13, p14)) dataInt6 = hData.Integral( hData.GetXaxis().FindBin(float(args.massMin)), hData.GetXaxis().FindBin(float(args.massMax))) background_norm6 = RooRealVar('background_norm6', 'background_norm6', dataInt6, 0., 1e+08) background7 = RooGenericPdf( 'background7', '((-1+@1*@0/%.1f)*pow(@0/%.1f,@2+@3*log(@0/%.1f)))' % (sqrtS, sqrtS, sqrtS), RooArgList(mjj, p15, p16, p17)) dataInt7 = hData.Integral( hData.GetXaxis().FindBin(float(args.massMin)), hData.GetXaxis().FindBin(float(args.massMax))) background_norm7 = RooRealVar('background_norm7', 'background_norm7', dataInt7, 0., 1e+08) #Extend PDFs exts = RooExtendPdf('extsignal', 'Extended Signal Pdf', signal, signal_norm) extb = RooExtendPdf('extbackground', 'Extended Background Pdf', background, background_norm) exts2 = RooExtendPdf('extsignal2', 'Extended Signal Pdf2', signal, signal_norm2) extb2 = RooExtendPdf('extbackground2', 'Extended Background Pdf2', background2, background2_norm) exts3 = RooExtendPdf('extsignal3', 'Extended Signal Pdf3', signal, signal_norm3) extb3 = RooExtendPdf('extbackground3', 'Extended Background Pdf3', background3, background3_norm) exts4 = RooExtendPdf('extsignal4', 'Extended Signal Pdf4', signal, signal_norm4) extb4 = RooExtendPdf('extbackground4', 'Extended Background Pdf4', background4, background4_norm) exts5 = RooExtendPdf('extsignal5', 'Extended Signal Pdf5', signal, signal_norm5) extb5 = RooExtendPdf('extbackground5', 'Extended Background Pdf5', background5, background5_norm) # S+B model model = RooAddPdf("model", "s+b", RooArgList(extb, exts)) model2 = RooAddPdf("model2", "s+b2", RooArgList(extb2, exts2)) model3 = RooAddPdf("model3", "s+b3", RooArgList(extb3, exts3)) model4 = RooAddPdf("model4", "s+b4", RooArgList(extb4, exts4)) model5 = RooAddPdf("model5", "s+b5", RooArgList(extb5, exts5)) #model6 = RooAddPdf("model6","s+b6",RooArgList(background6,signal),RooArgList(background_norm6,signal_norm)) #model7 = RooAddPdf("model7","s+b7",RooArgList(background7,signal),RooArgList(background_norm7,signal_norm)) rooDataHist = RooDataHist('rooDatahist', 'rooDathist', RooArgList(mjj), hData) if args.runFit: mframe = mjj.frame() rooDataHist.plotOn(mframe, ROOT.RooFit.Name("setonedata")) res = model.fitTo(rooDataHist, RooFit.Save(kTRUE), RooFit.Extended(kTRUE), RooFit.Strategy(args.fitStrategy)) model.plotOn(mframe, ROOT.RooFit.Name("model1"), ROOT.RooFit.LineStyle(1), ROOT.RooFit.LineWidth(1), ROOT.RooFit.LineColor(ROOT.EColor.kRed)) res2 = model2.fitTo(rooDataHist, RooFit.Save(kTRUE), RooFit.Extended(kTRUE), RooFit.Strategy(args.fitStrategy)) # model2.plotOn(mframe, ROOT.RooFit.Name("model2"), ROOT.RooFit.LineStyle(1), ROOT.RooFit.LineWidth(1), ROOT.RooFit.LineColor(ROOT.EColor.kOrange)) res3 = model3.fitTo(rooDataHist, RooFit.Save(kTRUE), RooFit.Extended(kTRUE), RooFit.Strategy(args.fitStrategy)) # model3.plotOn(mframe, ROOT.RooFit.Name("model3"), ROOT.RooFit.LineStyle(1), ROOT.RooFit.LineWidth(1), ROOT.RooFit.LineColor(ROOT.EColor.kGreen)) res4 = model4.fitTo(rooDataHist, RooFit.Save(kTRUE), RooFit.Extended(kTRUE), RooFit.Strategy(args.fitStrategy)) # model4.plotOn(mframe, ROOT.RooFit.Name("model4"), ROOT.RooFit.LineStyle(1), ROOT.RooFit.LineWidth(1), ROOT.RooFit.LineColor(ROOT.EColor.kBlue)) res5 = model5.fitTo(rooDataHist, RooFit.Save(kTRUE), RooFit.Extended(kTRUE), RooFit.Strategy(args.fitStrategy)) # model5.plotOn(mframe, ROOT.RooFit.Name("model5"), ROOT.RooFit.LineStyle(1), ROOT.RooFit.LineWidth(1), ROOT.RooFit.LineColor(ROOT.EColor.kViolet)) # res6 = model6.fitTo(rooDataHist, RooFit.Save(kTRUE), RooFit.Strategy(args.fitStrategy)) # model6.plotOn(mframe, ROOT.RooFit.Name("model6"), ROOT.RooFit.LineStyle(1), ROOT.RooFit.LineWidth(1), ROOT.RooFit.LineColor(ROOT.EColor.kPink)) # res7 = model7.fitTo(rooDataHist, RooFit.Save(kTRUE), RooFit.Strategy(args.fitStrategy)) # model7.plotOn(mframe, ROOT.RooFit.Name("model7"), ROOT.RooFit.LineStyle(1), ROOT.RooFit.LineWidth(1), ROOT.RooFit.LineColor(ROOT.EColor.kAzure)) rooDataHist2 = RooDataHist('rooDatahist2', 'rooDathist2', RooArgList(mjj), hData2) # rooDataHist2.plotOn(mframe, ROOT.RooFit.Name("data")) if args.pyes: c = TCanvas("c", "c", 800, 800) mframe.SetAxisRange(300., 1300.) c.SetLogy() # mframe.SetMaximum(10) # mframe.SetMinimum(1) mframe.Draw() fitname = args.pdir + '/5funcfit_m' + str(mass) + fstr + '.pdf' c.SaveAs(fitname) # cpull = TCanvas("cpull","cpull",800,800) # pulls = mframe.pullHist("data","model1") # pulls.Draw("ABX") # pullname = args.pdir+'/pull_m'+str(mass)+fstr+'.pdf' # cpull.SaveAs(pullname) # cpull2 = TCanvas("cpull2","cpull2",800,800) # pulls2 = mframe.pullHist("setonedata","model1") # pulls2.Draw("ABX") # pull2name = args.pdir+'/pull2_m'+str(mass)+fstr+'.pdf' # cpull2.SaveAs(pull2name) if args.widefit: mframew = mjj.frame() rooDataHist2.plotOn(mframew, ROOT.RooFit.Name("data")) res6 = model.fitTo(rooDataHist2, RooFit.Save(kTRUE), RooFit.Strategy(args.fitStrategy)) model.plotOn(mframew, ROOT.RooFit.Name("model1"), ROOT.RooFit.LineStyle(1), ROOT.RooFit.LineWidth(1), ROOT.RooFit.LineColor(ROOT.EColor.kRed)) res7 = model2.fitTo(rooDataHist2, RooFit.Save(kTRUE), RooFit.Strategy(args.fitStrategy)) model2.plotOn(mframew, ROOT.RooFit.Name("model2"), ROOT.RooFit.LineStyle(1), ROOT.RooFit.LineWidth(1), ROOT.RooFit.LineColor(ROOT.EColor.kOrange)) res8 = model3.fitTo(rooDataHist2, RooFit.Save(kTRUE), RooFit.Strategy(args.fitStrategy)) model3.plotOn(mframew, ROOT.RooFit.Name("model3"), ROOT.RooFit.LineStyle(1), ROOT.RooFit.LineWidth(1), ROOT.RooFit.LineColor(ROOT.EColor.kGreen)) res9 = model4.fitTo(rooDataHist2, RooFit.Save(kTRUE), RooFit.Strategy(args.fitStrategy)) model4.plotOn(mframew, ROOT.RooFit.Name("model4"), ROOT.RooFit.LineStyle(1), ROOT.RooFit.LineWidth(1), ROOT.RooFit.LineColor(ROOT.EColor.kBlue)) res10 = model5.fitTo(rooDataHist2, RooFit.Save(kTRUE), RooFit.Strategy(args.fitStrategy)) model5.plotOn(mframew, ROOT.RooFit.Name("model5"), ROOT.RooFit.LineStyle(1), ROOT.RooFit.LineWidth(1), ROOT.RooFit.LineColor(ROOT.EColor.kViolet)) if args.pyes: c = TCanvas("c", "c", 800, 800) mframew.SetAxisRange(300., 1300.) c.SetLogy() # mframew.SetMaximum(10) # mframew.SetMinimum(1) mframew.Draw() fitname = args.pdir + '/5funcfittowide_m' + str( mass) + fstr + '.pdf' c.SaveAs(fitname) cpull = TCanvas("cpull", "cpull", 800, 800) pulls = mframew.pullHist("data", "model1") pulls.Draw("ABX") pullname = args.pdir + '/pullwidefit_m' + str( mass) + fstr + '.pdf' cpull.SaveAs(pullname) if args.chi2: fullInt = model.createIntegral(RooArgSet(mjj)) norm = dataInt / fullInt.getVal() chi1 = 0. fullInt2 = model2.createIntegral(RooArgSet(mjj)) norm2 = dataInt2 / fullInt2.getVal() chi2 = 0. fullInt3 = model3.createIntegral(RooArgSet(mjj)) norm3 = dataInt3 / fullInt3.getVal() chi3 = 0. fullInt4 = model4.createIntegral(RooArgSet(mjj)) norm4 = dataInt4 / fullInt4.getVal() chi4 = 0. fullInt5 = model5.createIntegral(RooArgSet(mjj)) norm5 = dataInt5 / fullInt5.getVal() chi5 = 0. for i in range(args.massMin, args.massMax): new = 0 new2 = 0 new3 = 0 new4 = 0 new5 = 0 height = hData.GetBinContent(i) xLow = hData.GetXaxis().GetBinLowEdge(i) xUp = hData.GetXaxis().GetBinLowEdge(i + 1) obs = height * (xUp - xLow) mjj.setRange("intrange", xLow, xUp) integ = model.createIntegral( RooArgSet(mjj), ROOT.RooFit.NormSet(RooArgSet(mjj)), ROOT.RooFit.Range("intrange")) exp = integ.getVal() * norm new = pow(exp - obs, 2) / exp chi1 = chi1 + new integ2 = model2.createIntegral( RooArgSet(mjj), ROOT.RooFit.NormSet(RooArgSet(mjj)), ROOT.RooFit.Range("intrange")) exp2 = integ2.getVal() * norm2 new2 = pow(exp2 - obs, 2) / exp2 chi2 = chi2 + new2 integ3 = model3.createIntegral( RooArgSet(mjj), ROOT.RooFit.NormSet(RooArgSet(mjj)), ROOT.RooFit.Range("intrange")) exp3 = integ3.getVal() * norm3 new3 = pow(exp3 - obs, 2) / exp3 chi3 = chi3 + new3 integ4 = model4.createIntegral( RooArgSet(mjj), ROOT.RooFit.NormSet(RooArgSet(mjj)), ROOT.RooFit.Range("intrange")) exp4 = integ4.getVal() * norm4 if exp4 != 0: new4 = pow(exp4 - obs, 2) / exp4 else: new4 = 0 chi4 = chi4 + new4 integ5 = model5.createIntegral( RooArgSet(mjj), ROOT.RooFit.NormSet(RooArgSet(mjj)), ROOT.RooFit.Range("intrange")) exp5 = integ5.getVal() * norm5 new5 = pow(exp5 - obs, 2) / exp5 chi5 = chi5 + new5 print "chi1 %d " % (chi1) print "chi2 %d " % (chi2) print "chi3 %d " % (chi3) print "chi4 %d " % (chi4) print "chi5 %d " % (chi5) if not args.decoBkg: print " " res.Print() res2.Print() res3.Print() res4.Print() res5.Print() # res6.Print() # res7.Print() # decorrelated background parameters for Bayesian limits if args.decoBkg: signal_norm.setConstant() res = model.fitTo(rooDataHist, RooFit.Save(kTRUE), RooFit.Strategy(args.fitStrategy)) res.Print() ## temp workspace for the PDF diagonalizer w_tmp = RooWorkspace("w_tmp") deco = PdfDiagonalizer("deco", w_tmp, res) # here diagonalizing only the shape parameters since the overall normalization is already decorrelated background_deco = deco.diagonalize(background) print "##################### workspace for decorrelation" w_tmp.Print("v") print "##################### original parameters" background.getParameters(rooDataHist).Print("v") print "##################### decorrelated parameters" # needed if want to evaluate limits without background systematics if args.fixBkg: w_tmp.var("deco_eig1").setConstant() w_tmp.var("deco_eig2").setConstant() if not args.fixP3: w_tmp.var("deco_eig3").setConstant() background_deco.getParameters(rooDataHist).Print("v") print "##################### original pdf" background.Print() print "##################### decorrelated pdf" background_deco.Print() # release signal normalization signal_norm.setConstant(kFALSE) # set the background normalization range to +/- 5 sigma bkg_val = background_norm.getVal() bkg_error = background_norm.getError() background_norm.setMin(bkg_val - 5 * bkg_error) background_norm.setMax(bkg_val + 5 * bkg_error) background_norm.Print() # change background PDF names background.SetName("background_old") background_deco.SetName("background") # needed if want to evaluate limits without background systematics if args.fixBkg: background_norm.setConstant() p1.setConstant() p2.setConstant() p3.setConstant() # ----------------------------------------- # dictionaries holding systematic variations of the signal shape hSig_Syst = {} hSig_Syst_DataHist = {} sigCDF = TGraph(hSig.GetNbinsX() + 1) # JES and JER uncertainties if args.jesUnc != None or args.jerUnc != None: sigCDF.SetPoint(0, 0., 0.) integral = 0. for i in range(1, hSig.GetNbinsX() + 1): x = hSig.GetXaxis().GetBinLowEdge(i + 1) integral = integral + hSig.GetBinContent(i) sigCDF.SetPoint(i, x, integral) if args.jesUnc != None: hSig_Syst['JESUp'] = copy.deepcopy(hSig) hSig_Syst['JESDown'] = copy.deepcopy(hSig) if args.jerUnc != None: hSig_Syst['JERUp'] = copy.deepcopy(hSig) hSig_Syst['JERDown'] = copy.deepcopy(hSig) # reset signal histograms for key in hSig_Syst.keys(): hSig_Syst[key].Reset() hSig_Syst[key].SetName(hSig_Syst[key].GetName() + '_' + key) # produce JES signal shapes if args.jesUnc != None: for i in range(1, hSig.GetNbinsX() + 1): xLow = hSig.GetXaxis().GetBinLowEdge(i) xUp = hSig.GetXaxis().GetBinLowEdge(i + 1) jes = 1. - args.jesUnc xLowPrime = jes * xLow xUpPrime = jes * xUp hSig_Syst['JESUp'].SetBinContent( i, sigCDF.Eval(xUpPrime) - sigCDF.Eval(xLowPrime)) jes = 1. + args.jesUnc xLowPrime = jes * xLow xUpPrime = jes * xUp hSig_Syst['JESDown'].SetBinContent( i, sigCDF.Eval(xUpPrime) - sigCDF.Eval(xLowPrime)) hSig_Syst_DataHist['JESUp'] = RooDataHist('hSig_JESUp', 'hSig_JESUp', RooArgList(mjj), hSig_Syst['JESUp']) hSig_Syst_DataHist['JESDown'] = RooDataHist( 'hSig_JESDown', 'hSig_JESDown', RooArgList(mjj), hSig_Syst['JESDown']) if args.jyes: c2 = TCanvas("c2", "c2", 800, 800) mframe2 = mjj.frame(ROOT.RooFit.Title("JES One Sigma Shifts")) mframe2.SetAxisRange(args.massMin, args.massMax) hSig_Syst_DataHist['JESUp'].plotOn( mframe2, ROOT.RooFit.Name("JESUP"), ROOT.RooFit.DrawOption("L"), ROOT.RooFit.DataError(2), ROOT.RooFit.LineStyle(1), ROOT.RooFit.MarkerColor(ROOT.EColor.kRed), ROOT.RooFit.LineColor(ROOT.EColor.kRed)) hSig_Syst_DataHist['JESDown'].plotOn( mframe2, ROOT.RooFit.Name("JESDOWN"), ROOT.RooFit.DrawOption("L"), ROOT.RooFit.DataError(2), ROOT.RooFit.LineStyle(1), ROOT.RooFit.MarkerColor(ROOT.EColor.kBlue), ROOT.RooFit.LineColor(ROOT.EColor.kBlue)) rooSigHist.plotOn(mframe2, ROOT.RooFit.DataError(2), ROOT.RooFit.Name("SIG"), ROOT.RooFit.DrawOption("L"), ROOT.RooFit.LineStyle(1), ROOT.RooFit.MarkerColor(ROOT.EColor.kGreen), ROOT.RooFit.LineColor(ROOT.EColor.kGreen)) mframe2.Draw() mframe2.GetXaxis().SetTitle("Dijet Mass (GeV)") leg = TLegend(0.7, 0.8, 0.9, 0.9) leg.SetFillColor(0) leg.AddEntry(mframe2.findObject("SIG"), "Signal Model", "l") leg.AddEntry(mframe2.findObject("JESUP"), "+1 Sigma", "l") leg.AddEntry(mframe2.findObject("JESDOWN"), "-1 Sigma", "l") leg.Draw() jesname = args.pdir + '/jes_m' + str(mass) + fstr + '.pdf' c2.SaveAs(jesname) # produce JER signal shapes if args.jesUnc != None: for i in range(1, hSig.GetNbinsX() + 1): xLow = hSig.GetXaxis().GetBinLowEdge(i) xUp = hSig.GetXaxis().GetBinLowEdge(i + 1) jer = 1. - args.jerUnc xLowPrime = jer * (xLow - float(mass)) + float(mass) xUpPrime = jer * (xUp - float(mass)) + float(mass) hSig_Syst['JERUp'].SetBinContent( i, sigCDF.Eval(xUpPrime) - sigCDF.Eval(xLowPrime)) jer = 1. + args.jerUnc xLowPrime = jer * (xLow - float(mass)) + float(mass) xUpPrime = jer * (xUp - float(mass)) + float(mass) hSig_Syst['JERDown'].SetBinContent( i, sigCDF.Eval(xUpPrime) - sigCDF.Eval(xLowPrime)) hSig_Syst_DataHist['JERUp'] = RooDataHist('hSig_JERUp', 'hSig_JERUp', RooArgList(mjj), hSig_Syst['JERUp']) hSig_Syst_DataHist['JERDown'] = RooDataHist( 'hSig_JERDown', 'hSig_JERDown', RooArgList(mjj), hSig_Syst['JERDown']) if args.jyes: c3 = TCanvas("c3", "c3", 800, 800) mframe3 = mjj.frame(ROOT.RooFit.Title("JER One Sigma Shifts")) mframe3.SetAxisRange(args.massMin, args.massMax) hSig_Syst_DataHist['JERUp'].plotOn( mframe3, ROOT.RooFit.Name("JERUP"), ROOT.RooFit.DrawOption("L"), ROOT.RooFit.DataError(2), ROOT.RooFit.LineStyle(1), ROOT.RooFit.MarkerColor(ROOT.EColor.kRed), ROOT.RooFit.LineColor(ROOT.EColor.kRed)) hSig_Syst_DataHist['JERDown'].plotOn( mframe3, ROOT.RooFit.Name("JERDOWN"), ROOT.RooFit.DrawOption("L"), ROOT.RooFit.DataError(2), ROOT.RooFit.LineStyle(1), ROOT.RooFit.MarkerColor(ROOT.EColor.kBlue), ROOT.RooFit.LineColor(ROOT.EColor.kBlue)) rooSigHist.plotOn(mframe3, ROOT.RooFit.DrawOption("L"), ROOT.RooFit.Name("SIG"), ROOT.RooFit.DataError(2), ROOT.RooFit.LineStyle(1), ROOT.RooFit.MarkerColor(ROOT.EColor.kGreen), ROOT.RooFit.LineColor(ROOT.EColor.kGreen)) mframe3.Draw() mframe3.GetXaxis().SetTitle("Dijet Mass (GeV)") leg = TLegend(0.7, 0.8, 0.9, 0.9) leg.SetFillColor(0) leg.AddEntry(mframe3.findObject("SIG"), "Signal Model", "l") leg.AddEntry(mframe3.findObject("JERUP"), "+1 Sigma", "l") leg.AddEntry(mframe3.findObject("JERDOWN"), "-1 Sigma", "l") leg.Draw() jername = args.pdir + '/jer_m' + str(mass) + fstr + '.pdf' c3.SaveAs(jername) # ----------------------------------------- # create a datacard and corresponding workspace postfix = (('_' + args.postfix) if args.postfix != '' else '') dcName = 'datacard_' + args.final_state + '_m' + str( mass) + postfix + '.txt' wsName = 'workspace_' + args.final_state + '_m' + str( mass) + postfix + '.root' w = RooWorkspace('w', 'workspace') getattr(w, 'import')(rooSigHist, RooFit.Rename("signal")) if args.jesUnc != None: getattr(w, 'import')(hSig_Syst_DataHist['JESUp'], RooFit.Rename("signal__JESUp")) getattr(w, 'import')(hSig_Syst_DataHist['JESDown'], RooFit.Rename("signal__JESDown")) if args.jerUnc != None: getattr(w, 'import')(hSig_Syst_DataHist['JERUp'], RooFit.Rename("signal__JERUp")) getattr(w, 'import')(hSig_Syst_DataHist['JERDown'], RooFit.Rename("signal__JERDown")) if args.decoBkg: getattr(w, 'import')(background_deco, ROOT.RooCmdArg()) else: getattr(w, 'import')(background, ROOT.RooCmdArg(), RooFit.Rename("background")) getattr(w, 'import')(background2, ROOT.RooCmdArg(), RooFit.Rename("background2")) getattr(w, 'import')(background3, ROOT.RooCmdArg(), RooFit.Rename("background3")) getattr(w, 'import')(background4, ROOT.RooCmdArg(), RooFit.Rename("background4")) getattr(w, 'import')(background5, ROOT.RooCmdArg(), RooFit.Rename("background5")) getattr(w, 'import')(background_norm, ROOT.RooCmdArg(), RooFit.Rename("background_norm")) getattr(w, 'import')(background2_norm, ROOT.RooCmdArg(), RooFit.Rename("background2_norm")) getattr(w, 'import')(background3_norm, ROOT.RooCmdArg(), RooFit.Rename("background3_norm")) getattr(w, 'import')(background4_norm, ROOT.RooCmdArg(), RooFit.Rename("background4_norm")) getattr(w, 'import')(background5_norm, ROOT.RooCmdArg(), RooFit.Rename("background5_norm")) getattr(w, 'import')(res) getattr(w, 'import')(res2) getattr(w, 'import')(res3) getattr(w, 'import')(res4) getattr(w, 'import')(res5) getattr(w, 'import')(background_norm, ROOT.RooCmdArg()) getattr(w, 'import')(signal_norm, ROOT.RooCmdArg()) getattr(w, 'import')(rooDataHist, RooFit.Rename("data_obs")) w.Print() w.writeToFile(os.path.join(args.output_path, wsName)) beffUnc = 0.3 boffUnc = 0.06 datacard = open(os.path.join(args.output_path, dcName), 'w') datacard.write('imax 1\n') datacard.write('jmax 1\n') datacard.write('kmax *\n') datacard.write('---------------\n') if args.jesUnc != None or args.jerUnc != None: datacard.write('shapes * * ' + wsName + ' w:$PROCESS w:$PROCESS__$SYSTEMATIC\n') else: datacard.write('shapes * * ' + wsName + ' w:$PROCESS\n') datacard.write('---------------\n') datacard.write('bin 1\n') datacard.write('observation -1\n') datacard.write('------------------------------\n') datacard.write('bin 1 1\n') datacard.write('process signal background\n') datacard.write('process 0 1\n') datacard.write('rate -1 1\n') datacard.write('------------------------------\n') datacard.write('lumi lnN %f -\n' % (1. + args.lumiUnc)) datacard.write('beff lnN %f -\n' % (1. + beffUnc)) datacard.write('boff lnN %f -\n' % (1. + boffUnc)) datacard.write('bkg lnN - 1.03\n') if args.jesUnc != None: datacard.write('JES shape 1 -\n') if args.jerUnc != None: datacard.write('JER shape 1 -\n') # flat parameters --- flat prior datacard.write('background_norm flatParam\n') if args.decoBkg: datacard.write('deco_eig1 flatParam\n') datacard.write('deco_eig2 flatParam\n') if not args.fixP3: datacard.write('deco_eig3 flatParam\n') else: datacard.write('p1 flatParam\n') datacard.write('p2 flatParam\n') if not args.fixP3: datacard.write('p3 flatParam\n') datacard.close() print '>> Datacards and workspaces created and stored in %s/' % ( os.path.join(os.getcwd(), args.output_path))
def plot_rec_gen_track_pt(): #track pT resolution as ( pT_track_rec - pT_track_gen )/pT_track_gen ptbin = 0.001 ptmin = -0.3 ptmax = 0.1 #generated dielectron pT selection to input data ptlo = 0.2 pthi = 1 fitran = [-0.15, 0.018] mmin = 2.8 mmax = 3.2 ccb = rt.kBlue #output log file out = open("out.txt", "w") #log fit parameters loglist1 = [(x, eval(x)) for x in ["infile_mc", "ptbin", "ptmin", "ptmax"]] loglist2 = [(x, eval(x)) for x in ["ptlo", "pthi", "fitran", "mmin", "mmax"]] strlog = ut.make_log_string(loglist1, loglist2) ut.log_results(out, strlog + "\n") strsel = "jRecM>{0:.3f} && jRecM<{1:.3f}".format(mmin, mmax) strsel += " && jGenPt>{0:.3f}".format(ptlo) strsel += " && jGenPt<{0:.3f}".format(pthi) #strsel = "" nbins, ptmax = ut.get_nbins(ptbin, ptmin, ptmax) hPtTrackRel = ut.prepare_TH1D_n("hPtTrackRel", nbins, ptmin, ptmax) ytit = "Events / ({0:.3f})".format(ptbin) xtit = "(#it{p}_{T, rec}^{track} - #it{p}_{T, gen}^{track})/#it{p}_{T, gen}^{track}" mctree.Draw("(jT0pT-jGenP0pT)/jGenP0pT >> hPtTrackRel", strsel) # positive charge mctree.Draw("(jT1pT-jGenP1pT)/jGenP1pT >>+hPtTrackRel", strsel) # add negative charge x = RooRealVar("x", "x", ptmin, ptmax) x.setRange("fitran", fitran[0], fitran[1]) rfPtTrackRel = RooDataHist("rfPtTrackRel", "rfPtTrackRel", RooArgList(x), hPtTrackRel) #standard Crystal Ball mean = RooRealVar("mean", "mean", -0.003, -0.1, 0.1) sigma = RooRealVar("sigma", "sigma", 0.01, 0., 0.9) alpha = RooRealVar("alpha", "alpha", 1.2, 0., 10.) n = RooRealVar("n", "n", 1.3, 0., 20.) cbpdf = RooCBShape("cbpdf", "cbpdf", x, mean, sigma, alpha, n) res = cbpdf.fitTo(rfPtTrackRel, rf.Range("fitran"), rf.Save()) #log fit results ut.log_results(out, ut.log_fit_result(res)) #generate new distribution according to the fit gROOT.LoadMacro("cb_gen.h") #Crystal Ball generator, min, max, mean, sigma, alpha, n #cbgen = rt.cb_gen(-0.18, 0.05, -0.00226, 0.00908, 1.40165, 1.114) # -0.18, 0.05 ptmin, ptmax cbgen = rt.cb_gen(-0.5, 0.05, -0.00226, 0.00908, 0.2, 2.) # -0.18, 0.05 ptmin, ptmax hRelGen = ut.prepare_TH1D_n("hRelGen", nbins, ptmin, ptmax) ut.set_H1D_col(hRelGen, rt.kBlue) #rt.cb_generate_n(cbgen, hRelGen, int(hPtTrackRel.GetEntries())) rfRelGen = RooDataHist("rfRelGen", "rfRelGen", RooArgList(x), hRelGen) #generate distribution with additional smearing applied hRelSmear = ut.prepare_TH1D_n("hRelSmear", nbins, ptmin, ptmax) ut.set_H1D_col(hRelSmear, rt.kOrange) #tcopy = mctree.CopyTree(strsel) #rt.cb_apply_smear(cbgen, mctree, hRelSmear) can = ut.box_canvas() ut.set_margin_lbtr(gPad, 0.12, 0.1, 0.05, 0.03) frame = x.frame(rf.Bins(nbins), rf.Title("")) ut.put_frame_yx_tit(frame, ytit, xtit) rfPtTrackRel.plotOn(frame, rf.Name("data")) #rfRelGen.plotOn(frame, rf.Name("data")) cbpdf.plotOn(frame, rf.Precision(1e-6), rf.Name("cbpdf"), rf.LineColor(ccb)) frame.Draw() #hRelGen.Draw("e1same") #hRelSmear.Draw("e1same") desc = pdesc(frame, 0.2, 0.8, 0.057) #x, y, sep desc.set_text_size(0.03) desc.itemD("#chi^{2}/ndf", frame.chiSquare("cbpdf", "data", 4), -1, ccb) desc.prec = 5 desc.itemR("mean", mean, ccb) desc.itemR("#sigma", sigma, ccb) desc.itemR("#alpha", alpha, ccb) desc.prec = 3 desc.itemR("#it{n}", n, ccb) desc.draw() leg = ut.prepare_leg(0.2, 0.82, 0.21, 0.12, 0.03) # x, y, dx, dy, tsiz leg.SetMargin(0.05) leg.AddEntry(0, "#bf{%.1f < #it{p}_{T}^{pair} < %.1f GeV}" % (ptlo, pthi), "") leg.Draw("same") #ut.invert_col(rt.gPad) can.SaveAs("01fig.pdf")
#nk1 = model3.createNLL(data) #RooMinuit(nk1).migrad() #Rk1 = k2.frame() #nk1.plotOn(Rk1,RooFit.ShiftToZero()) #cRcc = TCanvas("Rcc", "Rcc", 500, 500) #Rk1.SetMaximum(4.);Rk1.SetMinimum(0) #Rk1.GetXaxis().SetTitle("nttbar/nmc") #Rk1.SetTitle("") #Rk1.Draw() cR11 = TCanvas("R11", "R", 500, 500) xframe = x.frame() data.plotOn(xframe, RooFit.DataError(RooAbsData.SumW2)) model3.paramOn(xframe, RooFit.Layout(0.65, 0.9, 0.9)) model3.plotOn(xframe) chi2 = xframe.chiSquare(2) ndof = xframe.GetNbinsX() print "chi2 = " + str(chi2) print "ndof = " + str(ndof) xframe.Draw() print "k1:" + str(k1.getVal()) + ", err:" + str( k1.getError()) + ", init:" + str(rttbar) print "k2:" + str(k2.getVal()) + ", err:" + str(k2.getError()) n_mctotal = n_ttbar + n_background print "####################" print "ttbar = " + str(n_ttbar)
def plot_rec_gen_pt_relative(): # relative dielectron pT resolution as ( pT_rec - pT_gen )/pT_gen ptbin = 0.01 ptmin = -1.2 ptmax = 4 #generated pT selection to input data ptlo = 0.2 pthi = 1. fitran = [-0.1, 3] mmin = 2.8 mmax = 3.2 #output log file out = open("out.txt", "w") #log fit parameters loglist1 = [(x, eval(x)) for x in ["infile_mc", "ptbin", "ptmin", "ptmax"]] loglist2 = [(x, eval(x)) for x in ["ptlo", "pthi", "fitran", "mmin", "mmax"]] strlog = ut.make_log_string(loglist1, loglist2) ut.log_results(out, strlog + "\n") strsel = "jRecM>{0:.3f} && jRecM<{1:.3f}".format(mmin, mmax) strsel += " && jGenPt>{0:.3f}".format(ptlo) strsel += " && jGenPt<{0:.3f}".format(pthi) nbins, ptmax = ut.get_nbins(ptbin, ptmin, ptmax) hPtRel = ut.prepare_TH1D("hPtRel", ptbin, ptmin, ptmax) ytit = "Events / ({0:.3f})".format(ptbin) xtit = "(#it{p}_{T, rec} - #it{p}_{T, gen})/#it{p}_{T, gen}" mctree.Draw("(jRecPt-jGenPt)/jGenPt >> hPtRel", strsel) x = RooRealVar("x", "x", ptmin, ptmax) x.setRange("fitran", fitran[0], fitran[1]) rfPtRel = RooDataHist("rfPtRel", "rfPtRel", RooArgList(x), hPtRel) #reversed Crystal Ball mean = RooRealVar("mean", "mean", 0., -0.1, 0.1) sigma = RooRealVar("sigma", "sigma", 0.2, 0., 0.9) alpha = RooRealVar("alpha", "alpha", -1.2, -10., 0.) n = RooRealVar("n", "n", 1.3, 0., 20.) cbpdf = RooCBShape("cbpdf", "cbpdf", x, mean, sigma, alpha, n) res = cbpdf.fitTo(rfPtRel, rf.Range("fitran"), rf.Save()) #log fit results ut.log_results(out, ut.log_fit_result(res)) can = ut.box_canvas() ut.set_margin_lbtr(gPad, 0.12, 0.1, 0.05, 0.03) frame = x.frame(rf.Bins(nbins), rf.Title("")) ut.put_frame_yx_tit(frame, ytit, xtit) rfPtRel.plotOn(frame, rf.Name("data")) cbpdf.plotOn(frame, rf.Precision(1e-6), rf.Name("cbpdf")) frame.Draw() desc = pdesc(frame, 0.65, 0.8, 0.057) #x, y, sep desc.set_text_size(0.03) desc.itemD("#chi^{2}/ndf", frame.chiSquare("cbpdf", "data", 4), -1, rt.kBlue) desc.prec = 5 desc.itemR("mean", mean, rt.kBlue) desc.prec = 4 desc.itemR("#sigma", sigma, rt.kBlue) desc.itemR("#alpha", alpha, rt.kBlue) desc.prec = 3 desc.itemR("#it{n}", n, rt.kBlue) desc.draw() leg = ut.prepare_leg(0.6, 0.82, 0.21, 0.12, 0.03) # x, y, dx, dy, tsiz leg.SetMargin(0.05) leg.AddEntry(0, "#bf{%.1f < #it{p}_{T}^{pair} < %.1f GeV}" % (ptlo, pthi), "") leg.Draw("same") #ut.invert_col(rt.gPad) can.SaveAs("01fig.pdf")
p1 = RooRealVar('p1','p1',5,0,20) p2 = RooRealVar('p2','p2',5,0,20) p3 = RooRealVar('p3','p3',0.1,0,1) model = RooGenericPdf('model','pow(1-@0/8000,@1)/pow(@0/8000,@2+@3*log(@0/8000))',RooArgList(x,p1,p2,p3)) roohist = RooDataHist('roohist','roohist',RooArgList(x),h) res = model.fitTo(roohist) can = TCanvas('can_Mjj_Data','can_Mjj_Data',900,600) gPad.SetLogy() can.cd(1).SetBottomMargin(0.4); frame1 = x.frame() frame2 = x.frame(); roohist.plotOn(frame1,RooFit.Binning(NBINS)) model.plotOn(frame1) hpull = frame1.pullHist(); frame2.addPlotable(hpull,'p'); frame1.SetMinimum(0.5) frame1.GetXaxis().SetTitle('') frame1.GetXaxis().SetLabelSize(0.0) frame1.GetYaxis().SetTickLength(0.06) frame1.Draw() pad = TPad('pad','pad',0.,0.,1.,1.); pad.SetTopMargin(0.6); pad.SetFillColor(0); pad.SetFillStyle(0); pad.Draw();
def plot_rec_minus_gen_pt(): #reconstructed pT vs. generated pT for resolution #distribution range ptbin = 0.005 ptmin = -0.2 ptmax = 0.4 #generated pT selection to input data ptlo = 0 pthi = 0.1 #mass selection mmin = 2.8 mmax = 3.2 #range for the fit fitran = [-0.02, 0.2] strsel = "jRecM>{0:.3f} && jRecM<{1:.3f}".format(mmin, mmax) strsel += " && jGenPt>{0:.3f}".format(ptlo) strsel += " && jGenPt<{0:.3f}".format(pthi) nbins, ptmax = ut.get_nbins(ptbin, ptmin, ptmax) hPtDiff = ut.prepare_TH1D("hPtDiff", ptbin, ptmin, ptmax) ytit = "Events / ({0:.3f}".format(ptbin) + " GeV)" xtit = "#it{p}_{T, reconstructed} - #it{p}_{T, generated} (GeV)" mctree.Draw("jRecPt-jGenPt >> hPtDiff", strsel) #roofit binned data x = RooRealVar("x", "x", -1, 1) x.setRange("fitran", fitran[0], fitran[1]) rfPt = RooDataHist("rfPt", "rfPt", RooArgList(x), hPtDiff) #reversed Crystal Ball mean = RooRealVar("mean", "mean", 0., -0.1, 0.1) sigma = RooRealVar("sigma", "sigma", 0.01, 0., 0.1) alpha = RooRealVar("alpha", "alpha", -1.046, -10., 0.) n = RooRealVar("n", "n", 1.403, 0., 20.) pdf = RooCBShape("pdf", "pdf", x, mean, sigma, alpha, n) #make the fit res = pdf.fitTo(rfPt, rf.Range("fitran"), rf.Save()) can = ut.box_canvas() ut.set_margin_lbtr(gPad, 0.12, 0.1, 0.05, 0.03) frame = x.frame(rf.Bins(nbins), rf.Title("")) ut.put_frame_yx_tit(frame, ytit, xtit) rfPt.plotOn(frame, rf.Name("data")) pdf.plotOn(frame, rf.Precision(1e-6), rf.Name("pdf")) frame.Draw() ut.invert_col(rt.gPad) can.SaveAs("01fig.pdf")
fsig= RooRealVar('fsig','fsig',0.5,0.,1.) signal = RooAddPdf('signal','signal',sig,bkg,fsig) # ----------------------------------------- # fit signal canSname = 'can_Mjj'+str(mass) canS = TCanvas(canSname,canSname,900,600) #gPad.SetLogy() roohistSig = RooDataHist('roohist','roohist',RooArgList(x),hSig) signal.fitTo(roohistSig) frame = x.frame() roohistSig.plotOn(frame) signal.plotOn(frame) signal.plotOn(frame,RooFit.Components('bkg'),RooFit.LineColor(ROOT.kRed),RooFit.LineWidth(2),RooFit.LineStyle(ROOT.kDashed)) frame.GetXaxis().SetRangeUser(900,4500) frame.GetXaxis().SetTitle('m_{jj} (GeV)') frame.Draw() parsSig = signal.getParameters(roohistSig) parsSig.setAttribAll('Constant', True) if fitDat: # ----------------------------------------- # define parameters for background NBINS = 180 p1 = RooRealVar('p1','p1',7,1,10)
data_hist1 = RooDataHist('dhist1', 'dhist1', RooArgList(x), hist1) pdf1 = RooHistPdf('phist1', 'phist1', RooArgSet(x), data_hist1) pdf1.plotOn(frame, RooFit.LineColor(R.kGreen), RooFit.Normalization(hist1_events)) # Z = 175 GeV data_hist2 = RooDataHist('dhist2', 'dhist2', RooArgList(x), hist2) pdf2 = RooHistPdf('phist2', 'phist2', RooArgSet(x), data_hist2) pdf2.plotOn(frame, RooFit.LineColor(R.kGreen), RooFit.Normalization(hist2_events)) # Not to be included in the Moment Morphing (just a check) data_hist3 = RooDataHist('dhist3', 'dhist3', RooArgList(x), hist3) pdf3 = RooHistPdf('phist3', 'phist3', RooArgSet(x), data_hist3) pdf3.plotOn(frame, RooFit.LineColor(R.kBlue), RooFit.Normalization(hist3_events)) data_hist3.plotOn(frame) # Create a RooArgList to store pdfs and fill it pdfs = RooArgList() pdfs.add(pdf1) pdfs.add(pdf2) # Create a TVector and store model mass values in it masses = [125, 175] paramVec = R.TVectorD(len(masses)) paramVec[0] = masses[0] paramVec[1] = masses[1] # Set up morphing m = w.factory('m[70,230]') setting = R.RooMomentMorph.Linear morph = R.RooMomentMorph('morph', 'morph', m, RooArgList(x), pdfs, paramVec,
def main(): parser = OptionParser() parser.add_option("-d", "--dir", type="string", dest="outDir", metavar="DIR", default="./", help="output directory for .png") (options, args) = parser.parse_args() if os.path.exists(options.outDir) and options.outDir!="./": print "Sorry, file ",options.outDir," already exist, choose another name\n" exit(1) else: os.system("mkdir -p "+options.outDir) """ Set the style ... """ myNewStyle = TStyle("myNewStyle","A better style for my plots") setStyle(myNewStyle) TH1F.SetDefaultSumw2(True) # Histogram range xlow = 70. xup = 110. # Mass range for fit minM_fit = 75. maxM_fit = 105. # Ratio plot range minR = 0.8 maxR = 1.2 # TLines for ratio plot line = TLine(minM_fit,1,maxM_fit,1) line.SetLineWidth(2) line.SetLineColor(2) # Canvas spectrum_height = 0.75 ratio_correction = 1.4 ratio_height = (1-spectrum_height)*ratio_correction xOffset = 0.08 yOffset = 0.04 cTest = TCanvas("cTest","cTest") c2 = TCanvas("c2","c2") c2.SetFillColor(0) c2.Divide(1,2) c3 = TCanvas("c3","c3") c3.SetFillColor(0) c3.Divide(1,2) # Files MuScleFit fDataBefore = TFile("h3_Z_data_beforeCorrection.root") fDataAfter = TFile("h3_Z_data_afterCorrection.root") fMcBefore = TFile("h3_Z_mc_beforeCorrection.root") fMcAfter = TFile("h3_Z_mc_afterCorrection.root") # Retrieve histograms and fit hDataBefore = fDataBefore.Get("h1_Z_data") hDataAfter = fDataAfter.Get("h1_Z_data") hMcBefore = fMcBefore.Get("h1_Z_mc") hMcAfter = fMcAfter.Get("h1_Z_mc") # Identifiers ids = ["data_before","data_after","mc_before","mc_after"] # Create histograms dictionary histos = {} histos["data_before"] = hDataBefore histos["data_after"] = hDataAfter histos["mc_before"] = hMcBefore histos["mc_after"] = hMcAfter histosSubtr = {} # Create parameters dictionary expPars = {} signalPars = {} for i in ids: # RooFit definitions ## RooRealVars x = RooRealVar("x","M_{#mu#mu} (GeV)",minM_fit,maxM_fit) mean = RooRealVar("mean","mean",91.19,87.,94.) meanCB = RooRealVar("meanCB","meanCB",0.,-10.,10.) meanCB.setConstant(True) width = RooRealVar("width","width",2.4952,2.3,2.6) width.setConstant(True) sigma = RooRealVar("sigma","sigma",1.3,0.001,3.) # sigma.setConstant(True) slope = RooRealVar("slope","slope",-0.1,-1.0,0.) # slope.setConstant(True) alpha = RooRealVar("alpha","alpha",1.,0.,30.) # alpha.setConstant(True) N = RooRealVar("N","N",2.,0.,100.) # N.setConstant(True) fsig = RooRealVar("fsig","fsig",0.9,0.,1.0) ## PDFs relBW = RooGenericPdf("relBW","relBW","@0/(pow(@0*@0-@1*@1,2) + @2*@2*@0*@0*@0*@0/(@1*@1))",RooArgList(x,mean,width)) CB = RooCBShape("CB","CB",x,meanCB,sigma,alpha,N) expo = RooExponential("expo","expo",x,slope) relBWTimesCB = RooFFTConvPdf("relBWTimesCB","relBWTimesCB",x,relBW,CB) relBWTimesCBPlusExp = RooAddPdf("relBWTimesCBPlusExp","relBWTimesCBPlusExp",relBWTimesCB,expo,fsig) # Fit frame = x.frame() h = histos[i] # h.Rebin(10) h.Sumw2() nbin = h.GetNbinsX() dh = RooDataHist("dh","dh",RooArgList(x),h) dh.plotOn(frame) relBWTimesCBPlusExp.fitTo(dh) relBWTimesCBPlusExp.plotOn(frame) relBWTimesCBPlusExp.paramOn(frame) # Plot c = TCanvas("c_"+i,"c_"+i) c.SetFillColor(0) c.cd() frame.Draw() c.SaveAs(options.outDir+"/DimuonWithFit_"+i+".png") # Extract the result of the fit expParams = [] expCoef = slope.getValV() fSig = fsig.getValV() binLow = h.GetXaxis().FindBin(minM_fit) binHigh = h.GetXaxis().FindBin(maxM_fit) nEntries = h.Integral(binLow,binHigh) expParams = [expCoef,fSig,nEntries,binLow,binHigh] expPars[i] = expParams signalParams = [mean.getVal(),width.getVal(),meanCB.getVal(),sigma.getVal(),alpha.getVal(),N.getVal()] signalPars[i] = signalParams # Subtract the bkg from the histograms h_woBkg = h.Clone() h_bkg = TH1F("h_bkg_"+i,"Histogram of bkg events",nbin,xlow,xup) h_bkg.Sumw2() expNorm = (math.fabs(expCoef)*(1-fSig)*nEntries)/(math.exp(expCoef*minM_fit)-math.exp(expCoef*maxM_fit)) for ibin in range(binLow,binHigh): w = integrateExp(expNorm,expCoef,h_bkg.GetBinLowEdge(ibin),h_bkg.GetBinLowEdge(ibin+1)) h_bkg.SetBinContent(ibin,w) h_woBkg.Add(h_bkg,-1) nEvts_woBkg = h_woBkg.Integral(binLow,binHigh) h_woBkg.Scale(1/nEvts_woBkg) histosSubtr[i] = h_woBkg del expParams, c del relBWTimesCBPlusExp, relBW, CB, relBWTimesCB, expo del x, mean, width, sigma, fsig, N, alpha, slope, meanCB del frame, dh, h, h_woBkg, h_bkg # BEFORE CORRECTIONS # # RooFit definitions (again, sorry) # ## RooRealVars # x = RooRealVar("x","M_{#mu#mu} (GeV)",minM_fit,maxM_fit) # mean = RooRealVar("mean","mean",91.19) # meanCB = RooRealVar("meanCB","meanCB",0.) # width = RooRealVar("width","width",2.4952) # sigma = RooRealVar("sigma","sigma",1.3) # alpha = RooRealVar("alpha","alpha",1.) # N = RooRealVar("N","N",2.) # ## PDFs (again, sorry) # relBW = RooGenericPdf("relBW","relBW","@0/(pow(@0*@0-@1*@1,2) + @2*@2*@0*@0*@0*@0/(@1*@1))",RooArgList(x,mean,width)) # CB = RooCBShape("CB","CB",x,meanCB,sigma,alpha,N) # relBWTimesCB = RooFFTConvPdf("relBWTimesCB","relBWTimesCB",x,relBW,CB) # Ratio plot after background subtraction histosSubtr["data_before"].GetXaxis().SetRangeUser(minM_fit,maxM_fit) histosSubtr["data_before"].GetYaxis().SetRangeUser(0.,histosSubtr["data_before"].GetMaximum()+0.1*histosSubtr["data_before"].GetMaximum()) histosSubtr["data_before"].SetLineColor(1) histosSubtr["mc_before"].GetXaxis().SetRangeUser(minM_fit,maxM_fit) if histosSubtr["mc_before"].GetMaximum()>histosSubtr["data_before"].GetMaximum(): histosSubtr["data_before"].GetYaxis().SetRangeUser(0.,histosSubtr["mc_before"].GetMaximum()+0.1*histosSubtr["mc_before"].GetMaximum()) histosSubtr["mc_before"].SetLineColor(2) ## This is the simple overlay of the normalized spectra # c2.cd(1) r.SetOwnership(c2, False) c2_spectrum = c2.GetListOfPrimitives().FindObject("c2_1") c2_ratio = c2.GetListOfPrimitives().FindObject("c2_2") c2_spectrum.SetPad(0.+xOffset, (1 - spectrum_height)+yOffset, 1.+xOffset, 1.+yOffset) c2_ratio.SetPad(0.+xOffset, 0.+yOffset, 1.+xOffset, ratio_height+yOffset) c2_ratio.SetTopMargin(0) c2_ratio.SetBottomMargin(0.2) c2_spectrum.SetLeftMargin(0.12) c2_spectrum.SetRightMargin(0.15) c2_ratio.SetLeftMargin(0.12) c2_ratio.SetRightMargin(0.15) leg=0 leg = TLegend(0.10,0.75,0.40,0.90) leg.SetHeader("Before corrections") leg.SetFillColor(0) leg.SetTextSize(0.06) leg.AddEntry(histosSubtr["data_before"],"DATA") leg.AddEntry(histosSubtr["mc_before"],"MC") setHistoStyle(histosSubtr["data_before"]) setHistoStyle(histosSubtr["mc_before"]) histosSubtr["data_before"].SetTitle("Dimuon mass spectrum (after background subtraction) data vs. MC") histosSubtr["data_before"].GetXaxis().SetTitle("M_{#mu#mu} (GeV)") histosSubtr["data_before"].GetYaxis().SetTitle("Arbitrary units") histosSubtr["mc_before"].GetXaxis().SetTitle("M_{#mu#mu} (GeV)") histosSubtr["mc_before"].GetYaxis().SetTitle("Arbitrary units") c2_spectrum.cd() # c2_spectrum.SetLogy() histosSubtr["data_before"].Draw("HIST") histosSubtr["mc_before"].Draw("HISTsame") tpt_pars_data = TPaveText(0.13, 0.45, 0.4, 0.59, "NDC") tpt_pars_data.SetTextSize(0.045) tpt_pars_data.SetTextFont(42) tpt_pars_data.SetFillColor(0) tpt_pars_data.SetBorderSize(0) tpt_pars_data.SetMargin(0.01) tpt_pars_data.SetTextAlign(12) tpt_pars_data.AddText(0.0,0.9,"M^{fit}_{Z,data} = "+str(round(signalPars["data_before"][0],2))+" GeV") tpt_pars_data.AddText(0.0,0.4,"#sigma_{CB,data} = "+str(round(signalPars["data_before"][3],2))+" GeV") tpt_pars_data.Draw("same") tpt_pars_mc = TPaveText(0.13, 0.30, 0.4, 0.44, "NDC") tpt_pars_mc.SetTextSize(0.045) tpt_pars_mc.SetTextFont(42) tpt_pars_mc.SetFillColor(0) tpt_pars_mc.SetBorderSize(0) tpt_pars_mc.SetMargin(0.01) tpt_pars_mc.SetTextAlign(12) tpt_pars_mc.SetTextColor(2) tpt_pars_mc.AddText(0.0,0.9,"M^{fit}_{Z,MC} = "+str(round(signalPars["mc_before"][0],2))+" GeV") tpt_pars_mc.AddText(0.0,0.4,"#sigma_{CB,MC} = "+str(round(signalPars["mc_before"][3],2))+" GeV") tpt_pars_mc.Draw("same") leg.Draw("same") # mean.setVal(signalPars["data_before"][0]) # sigma.setVal(signalPars["data_before"][3]) # alpha.setVal(signalPars["data_before"][4]) # N.setVal(signalPars["data_before"][5]) # dh_data = RooDataHist("dh_data","dh_data",RooArgList(x),histosSubtr["data_before"]) # frame_data = x.frame() # dh_data.plotOn(frame_data,RooFit.LineColor(1),RooFit.DrawOption("B")) # # relBWTimesCB.plotOn(frame_data,RooFit.LineColor(1)) # frame_data.Draw() # mean.setVal(signalPars["mc_before"][0]) # # mean.setVal(97) # sigma.setVal(signalPars["mc_before"][3]) # alpha.setVal(signalPars["mc_before"][4]) # N.setVal(signalPars["mc_before"][5]) # dh_mc = RooDataHist("dh_mc","dh_mc",RooArgList(x),histosSubtr["mc_before"]) # frame_mc = x.frame() # # dh_mc.plotOn(frame_mc,RooFit.LineColor(2),RooFit.MarkerColor(2),RooFit.MarkerSize(0.4),RooFit.DrawOption("HIST")) # # relBWTimesCB.plotOn(frame_mc,RooFit.LineColor(2)) # # frame_mc.Draw("same") ## Ratio histogram h_Num_woBkg = histosSubtr["data_before"].Clone() h_Den_woBkg = histosSubtr["mc_before"].Clone() # h_Num_woBkg.Rebin(10) # h_Den_woBkg.Rebin(10) h_Num_woBkg.Divide(h_Den_woBkg) h_Num_woBkg.GetXaxis().SetRangeUser(minM_fit,maxM_fit) h_Num_woBkg.GetYaxis().SetRangeUser(minR,maxR) h_Num_woBkg.GetXaxis().SetTitleSize(0.09) h_Num_woBkg.GetYaxis().SetTitleSize(0.09) h_Num_woBkg.GetXaxis().SetLabelSize(0.08) h_Num_woBkg.GetYaxis().SetLabelSize(0.08) h_Num_woBkg.GetYaxis().SetTitleOffset(0.45) ## This is the DATA/MC ratio c2_ratio.cd() h_Num_woBkg.GetYaxis().SetTitle("DATA/MC Ratio") h_Num_woBkg.SetTitle("") # setHistoStyle(h_Num_woBkg) h_Num_woBkg.SetMarkerStyle(20) h_Num_woBkg.SetMarkerSize(0.85) h_Num_woBkg.Draw("E") line.Draw("same") c2.SaveAs(options.outDir+"/DimuonAfterBkgSub_beforeCorrections.png") c2.SaveAs(options.outDir+"/DimuonAfterBkgSub_beforeCorrections.pdf") c2.SaveAs(options.outDir+"/DimuonAfterBkgSub_beforeCorrections.eps") del tpt_pars_data, tpt_pars_mc, h_Num_woBkg # AFTER CORRECTIONS # # RooFit definitions (again, sorry) # ## RooRealVars # x = RooRealVar("x","M_{#mu#mu} (GeV)",minM_fit,maxM_fit) # mean = RooRealVar("mean","mean",91.19) # meanCB = RooRealVar("meanCB","meanCB",0.) # width = RooRealVar("width","width",2.4952) # sigma = RooRealVar("sigma","sigma",1.3) # alpha = RooRealVar("alpha","alpha",1.) # N = RooRealVar("N","N",2.) # ## PDFs (again, sorry) # relBW = RooGenericPdf("relBW","relBW","@0/(pow(@0*@0-@1*@1,2) + @2*@2*@0*@0*@0*@0/(@1*@1))",RooArgList(x,mean,width)) # CB = RooCBShape("CB","CB",x,meanCB,sigma,alpha,N) # relBWTimesCB = RooFFTConvPdf("relBWTimesCB","relBWTimesCB",x,relBW,CB) # Ratio plot after background subtraction histosSubtr["data_after"].GetXaxis().SetRangeUser(minM_fit,maxM_fit) histosSubtr["data_after"].GetYaxis().SetRangeUser(0.,histosSubtr["data_after"].GetMaximum()+0.1*histosSubtr["data_after"].GetMaximum()) histosSubtr["data_after"].SetLineColor(1) histosSubtr["mc_after"].GetXaxis().SetRangeUser(minM_fit,maxM_fit) if histosSubtr["mc_after"].GetMaximum()>histosSubtr["data_after"].GetMaximum(): histosSubtr["data_after"].GetYaxis().SetRangeUser(0.,histosSubtr["mc_after"].GetMaximum()+0.1*histosSubtr["mc_after"].GetMaximum()) histosSubtr["mc_after"].SetLineColor(2) ## This is the simple overlay of the normalized spectra # c3.cd(1) r.SetOwnership(c3, False) c3_spectrum = c3.GetListOfPrimitives().FindObject("c3_1") c3_ratio = c3.GetListOfPrimitives().FindObject("c3_2") c3_spectrum.SetPad(0.+xOffset, (1 - spectrum_height)+yOffset, 1.+xOffset, 1.+yOffset) c3_ratio.SetPad(0.+xOffset, 0.+yOffset, 1.+xOffset, ratio_height+yOffset) c3_ratio.SetTopMargin(0) c3_ratio.SetBottomMargin(0.2) c3_spectrum.SetLeftMargin(0.12) c3_spectrum.SetRightMargin(0.15) c3_ratio.SetLeftMargin(0.12) c3_ratio.SetRightMargin(0.15) leg=0 leg = TLegend(0.10,0.75,0.40,0.90) leg.SetHeader("After corrections") leg.SetFillColor(0) leg.SetTextSize(0.06) leg.AddEntry(histosSubtr["data_after"],"DATA") leg.AddEntry(histosSubtr["mc_after"],"MC") setHistoStyle(histosSubtr["data_after"]) setHistoStyle(histosSubtr["mc_after"]) histosSubtr["data_after"].SetTitle("Dimuon mass spectrum (after background subtraction) data vs. MC") histosSubtr["data_after"].GetXaxis().SetTitle("M_{#mu#mu} (GeV)") histosSubtr["data_after"].GetYaxis().SetTitle("Arbitrary units") histosSubtr["mc_after"].GetXaxis().SetTitle("M_{#mu#mu} (GeV)") histosSubtr["mc_after"].GetYaxis().SetTitle("Arbitrary units") c3_spectrum.cd() # c3_spectrum.SetLogy() histosSubtr["data_after"].Draw("HIST") histosSubtr["mc_after"].Draw("HISTsame") tpt_pars_data = 0 tpt_pars_data = TPaveText(0.13, 0.45, 0.4, 0.59, "NDC") tpt_pars_data.SetTextSize(0.045) tpt_pars_data.SetTextFont(42) tpt_pars_data.SetFillColor(0) tpt_pars_data.SetBorderSize(0) tpt_pars_data.SetMargin(0.01) tpt_pars_data.SetTextAlign(12) tpt_pars_data.AddText(0.0,0.9,"M^{fit}_{Z,data} = "+str(round(signalPars["data_after"][0],2))+" GeV") tpt_pars_data.AddText(0.0,0.4,"#sigma_{CB,data} = "+str(round(signalPars["data_after"][3],2))+" GeV") tpt_pars_data.Draw("same") tpt_pars_mc = 0 tpt_pars_mc = TPaveText(0.13, 0.30, 0.4, 0.44, "NDC") tpt_pars_mc.SetTextSize(0.045) tpt_pars_mc.SetTextFont(42) tpt_pars_mc.SetFillColor(0) tpt_pars_mc.SetBorderSize(0) tpt_pars_mc.SetMargin(0.01) tpt_pars_mc.SetTextAlign(12) tpt_pars_mc.SetTextColor(2) tpt_pars_mc.AddText(0.0,0.9,"M^{fit}_{Z,MC} = "+str(round(signalPars["mc_after"][0],2))+" GeV") tpt_pars_mc.AddText(0.0,0.4,"#sigma_{CB,MC} = "+str(round(signalPars["mc_after"][3],2))+" GeV") tpt_pars_mc.Draw("same") leg.Draw("same") # mean.setVal(signalPars["data_after"][0]) # sigma.setVal(signalPars["data_after"][3]) # alpha.setVal(signalPars["data_after"][4]) # N.setVal(signalPars["data_after"][5]) # dh_data = RooDataHist("dh_data","dh_data",RooArgList(x),histosSubtr["data_after"]) # frame_data = x.frame() # dh_data.plotOn(frame_data,RooFit.LineColor(1),RooFit.DrawOption("B")) # # relBWTimesCB.plotOn(frame_data,RooFit.LineColor(1)) # frame_data.Draw() # mean.setVal(signalPars["mc_after"][0]) # # mean.setVal(97) # sigma.setVal(signalPars["mc_after"][3]) # alpha.setVal(signalPars["mc_after"][4]) # N.setVal(signalPars["mc_after"][5]) # dh_mc = RooDataHist("dh_mc","dh_mc",RooArgList(x),histosSubtr["mc_after"]) # frame_mc = x.frame() # # dh_mc.plotOn(frame_mc,RooFit.LineColor(2),RooFit.MarkerColor(2),RooFit.MarkerSize(0.4),RooFit.DrawOption("HIST")) # # relBWTimesCB.plotOn(frame_mc,RooFit.LineColor(2)) # # frame_mc.Draw("same") ## Ratio histogram h_Num_woBkg = histosSubtr["data_after"].Clone() h_Den_woBkg = histosSubtr["mc_after"].Clone() # h_Num_woBkg.Rebin(10) # h_Den_woBkg.Rebin(10) h_Num_woBkg.Divide(h_Den_woBkg) h_Num_woBkg.GetXaxis().SetRangeUser(minM_fit,maxM_fit) h_Num_woBkg.GetYaxis().SetRangeUser(minR,maxR) h_Num_woBkg.GetXaxis().SetTitleSize(0.09) h_Num_woBkg.GetYaxis().SetTitleSize(0.09) h_Num_woBkg.GetXaxis().SetLabelSize(0.08) h_Num_woBkg.GetYaxis().SetLabelSize(0.08) h_Num_woBkg.GetYaxis().SetTitleOffset(0.45) ## This is the DATA/MC ratio c3_ratio.cd() h_Num_woBkg.GetYaxis().SetTitle("DATA/MC Ratio") h_Num_woBkg.SetTitle("") # setHistoStyle(h_Num_woBkg) h_Num_woBkg.SetMarkerStyle(20) h_Num_woBkg.SetMarkerSize(0.85) h_Num_woBkg.Draw("E") line.Draw("same") c3.SaveAs(options.outDir+"/DimuonAfterBkgSub_afterCorrections.png") c3.SaveAs(options.outDir+"/DimuonAfterBkgSub_afterCorrections.pdf") c3.SaveAs(options.outDir+"/DimuonAfterBkgSub_afterCorrections.eps")
canvas.Print("track_parameters.pdf[") #--- Fit the D0 plots ---# #------------------------# track_d0 = RooRealVar("track_d0", "D0 (mm)", -1.5, 1.5) track_d0_mean = RooRealVar("track_d0_mean", "Track D0 Mean", 0, -1.5, 1.5) track_d0_sigma = RooRealVar("track_d0_sigma", "Track D0 Sigma", .5, 0, 2) track_d0_gaussian = RooGaussModel("track_d0_gaussian", "Track D0 Gaussian", track_d0, track_d0_mean, track_d0_sigma) track_d0_data = RooDataHist("track_d0_data", "Track D0 Data", RooArgList(track_d0), h_track_d0) track_d0_plot = track_d0.frame() track_d0_plot.SetTitle("") track_d0_data.plotOn(track_d0_plot, RooFit.MarkerColor(kAzure + 2), RooFit.LineColor(kAzure + 2)) track_d0_gaussian.fitTo(track_d0_data) track_d0_gaussian.plotOn(track_d0_plot, RooFit.LineColor(kAzure + 2)) gbl_track_d0 = RooRealVar("gbl_track_d0", "D0 (mm)", -1.5, 1.5) gbl_track_d0_mean = RooRealVar("gbl_track_d0_mean", "Track D0 Mean", 0, -1.5, 1.5) gbl_track_d0_sigma = RooRealVar("gbl_track_d0_sigma", "Track D0 Sigma", .5, 0, 2) gbl_track_d0_gaussian = RooGaussModel("gbl_track_d0_gaussian", "Track D0 Gaussian", gbl_track_d0, gbl_track_d0_mean, gbl_track_d0_sigma) gbl_track_d0_data = RooDataHist("track_d0_data", "Track D0 Data", RooArgList(gbl_track_d0), h_gbl_track_d0)
def bw_fit(ecm, infile, outdir, reconstruction): """Breit-Wigner fit of the Mw distribution""" file_ = TFile(infile, "r") file_.cd() mass_ = 'h_mW2' h_mass = gDirectory.Get(mass_) scale = h_mass.GetXaxis().GetBinWidth(1) / (h_mass.Integral("width")) h_mass.Scale(scale) mass_min = 40 mass_max = 120 mass = RooRealVar("Dijet mass", "Dijet mass", mass_min, mass_max, "GeV") # parameters for gaussian function gaus_sig = RooRealVar("#sigma_{G}", "Core Width", 1., 0.5, 10., "GeV") # gaus_sig.setConstant() # parameters for Crystall Ball distribution m_ = RooRealVar("#Delta m", "Bias", 0., -3., 3., "GeV") sigma = RooRealVar("#sigma", "Width", 1.7, 0., 10., "GeV") alpha = RooRealVar("#alpha", "Cut", -0.15, -5., 0.) n = RooRealVar("n", "Power", 2.4, 0.5, 10.) alpha.setConstant() n.setConstant() # Parameters for Breit-Wigner distribution m_res = RooRealVar("M_{W}", "W boson mass", 80.385, 80.0, 81.0, "GeV") width = RooRealVar("#Gamma", "W width", 2.085, 1.5, 2.5, "GeV") m_res.setConstant() width.setConstant() # Cristall-Ball lineshape resG = RooGaussian("resG", "Gaussian distribution", mass, m_, gaus_sig) resCB = RooCBShape("resCB", "Crystal Ball distribution", mass, m_, sigma, alpha, n) fracG = RooRealVar("f_{G}", "Gaussian Fraction", 0., 0., 1.) res = RooAddPdf("res", "Resolution Model", resG, resCB, fracG) # Breit-wigner lineshape bw = RooBreitWigner("bw", "Breit-Wigner distribution", mass, m_res, width) # Convolution bw_CB_conv = RooFFTConvPdf("bw_CB_conv", "Convolution", mass, bw, res) # Background p.d.f bgtau = RooRealVar("a_{BG}", "Backgroung Shape", -0.15, -1.0, 0.0, "1/GeV/c^{2}") bg = RooExponential("bg", "Background distribution", mass, bgtau) # Fit model nentries = h_mass.GetEntries() nsigmin = 0.5 * nentries nsigmean = 1.0 * nentries nsigmax = 1.05 * nentries nbkgmean = 0.01 * nentries nbkgmax = 0.1 * nentries nsig = RooRealVar("N_S", "#signal events", nsigmean, nsigmin, nsigmax) nbkg = RooRealVar("N_B", "#background events", nbkgmean, 0, nbkgmax) model = RooAddPdf("model", "W mass fit", RooArgList(bw_CB_conv, bg), RooArgList(nsig, nbkg)) ###### FIT c_name = "c_ " + mass_ + "_" + str(ecm) + "_" + reconstruction + "_fit" c_mass_fit = TCanvas( c_name, 'Fit of the reconstructed mass distribution with a convolution of Breit-Wigner and Crystal-Ball', 700, 500) c_mass_fit.cd() data = RooDataHist("data", "data", RooArgList(mass), h_mass) frame = mass.frame() data.plotOn(frame) model.fitTo(data, RooFit.Optimize(0)) model.plotOn(frame) model.paramOn(frame, RooFit.Layout(0.6, 0.90, 0.85)) frame.Draw() # norm = h_mass.Integral()/bw_CB_conv.createIntegral(RooArgSet(mass)).getValV() # m = m_.getValV()*norm # s = sigma.getValV()*norm m = m_.getVal() s = sigma.getVal() print("\n\n----------------------------------------------") print(" Fit results :") print(" Bias to apply on mW : {} GeV".format(m)) print(" Mw = {} +/- {} GeV".format((m + 80.385), s)) print("--------------------------------------------------") raw_input("") c_mass_fit.Print("{}fit/fit_{}_{}_{}.pdf".format(outdir, mass_, ecm, reconstruction)) # write into an output file and close the file outfilename = "{}fit/fit_{}_{}.root".format(outdir, mass_, ecm) outfile = TFile(outfilename, "UPDATE") c_mass_fit.Write("", TObject.kOverwrite) outfile.Write() outfile.Close()
gStyle.SetPadTickX(1) gStyle.SetFrameLineWidth(2) can = ut.box_canvas() gPad.SetRightMargin(0.02) gPad.SetTopMargin(0.04) gPad.SetBottomMargin(0.09) gPad.SetLeftMargin(0.11) frame = m.frame(rf.Bins(nbins), rf.Title("")) frame.SetTitle("") frame.GetXaxis().SetTitleOffset(1.2) frame.GetYaxis().SetTitleOffset(1.6) if binned == True: dataH.plotOn(frame, rf.Name("data")) else: data.plotOn(frame, rf.Name("data")) cb.plotOn(frame, rf.Precision(1e-6), rf.Name("CrystalBall"), rf.LineColor(ccb)) frame.Draw() frame.SetXTitle("#it{m}_{e^{+}e^{-}} (GeV)") frame.SetYTitle("Dielectron counts / ({0:.0f} MeV)".format(1000. * mbin)) #fit parameters on the plot desc = pdesc(frame, 0.18, 0.8, 0.057) #x, y, sep desc.set_text_size(0.03)
def plot_rec_minus_gen_pt2(): #reconstructed pT^2 vs. generated pT^2 for resolution #distribution range ptbin = 0.001 ptmin = -0.1 ptmax = 0.15 #generated pT^2 selection to input data ptlo = 0.04 pthi = 0.1 #mass selection mmin = 2.8 mmax = 3.2 fitran = [-0.003, 0.05] #fitran = [-0.003, 0.003] strsel = "jRecM>{0:.3f} && jRecM<{1:.3f}".format(mmin, mmax) strsel += " && (jGenPt*jGenPt)>{0:.3f}".format(ptlo) strsel += " && (jGenPt*jGenPt)<{0:.3f}".format(pthi) print strsel nbins, ptmax = ut.get_nbins(ptbin, ptmin, ptmax) hPt2 = ut.prepare_TH1D("hPt2", ptbin, ptmin, ptmax) ytit = "Events / ({0:.3f}".format(ptbin) + " GeV^{2})" xtit = "#it{p}_{T, reconstructed}^{2} - #it{p}_{T, generated}^{2} (GeV^{2})" ut.put_yx_tit(hPt2, ytit, xtit) draw = "(jRecPt*jRecPt)-(jGenPt*jGenPt)" mctree.Draw(draw + " >> hPt2", strsel) #roofit binned data x = RooRealVar("x", "x", -1, 1) dataH = RooDataHist("dataH", "dataH", RooArgList(x), hPt2) x.setRange("fitran", fitran[0], fitran[1]) #reversed Crystal Ball mean = RooRealVar("mean", "mean", 0., -0.1, 0.1) sigma = RooRealVar("sigma", "sigma", 0.0011, 0., 0.1) alpha = RooRealVar("alpha", "alpha", -1.046, -10., 0.) n = RooRealVar("n", "n", 1.403, 0., 20.) pdf = RooCBShape("pdf", "pdf", x, mean, sigma, alpha, n) #gaus = RooGaussian("gaus", "gaus", x, mean, sigma) #make the fit #res = pdf.fitTo(dataH, rf.Range("fitran"), rf.Save()) #res = gaus.fitTo(dataH, rf.Range("fitran"), rf.Save()) can = ut.box_canvas() ut.set_margin_lbtr(gPad, 0.12, 0.1, 0.015, 0.03) frame = x.frame(rf.Bins(nbins), rf.Title("")) frame.SetTitle("") frame.SetYTitle(ytit) frame.SetXTitle(xtit) frame.GetXaxis().SetTitleOffset(1.2) frame.GetYaxis().SetTitleOffset(1.7) dataH.plotOn(frame, rf.Name("data")) pdf.plotOn(frame, rf.Precision(1e-6), rf.Name("pdf")) #gaus.plotOn(frame, rf.Precision(1e-6), rf.Name("gaus")) frame.Draw() ut.invert_col(rt.gPad) can.SaveAs("01fig.pdf")
def fitWPeak(): # Get histograms from file mcHist = 0 with root_open( inputFile, 'read' ) as file: gROOT.cd() mcHist = file.Get(inputHistogram).Clone('histToFit') # mcHist = file.Get(inputHistogram).GetStack().Last().Clone('histToFit') # Data hist gone out of scope? print mcHist # Import the data to fit # Declare variables x,mean,sigma with associated name, title, initial value and allowed range x = RooRealVar("M(jj)","M(jj)",40,180) histToFit = RooDataHist('histToFit', 'histToFit', RooArgList( x ), RooFit.Import( mcHist ) ) frame = x.frame(RooFit.Title("E Plus Jets")) histToFit.plotOn( frame ) # Setup fit function fitFunction = None print fitFunction if whatToFit == 'realLife': # Stuff for gauss mg = RooRealVar("mean","mean of gaussian",86,50,120) sg = RooRealVar("sigma","width of gaussian",10,0,50) gauss = RooGaussian("gauss","gaussian PDF",x,mg,sg) CBmean = RooRealVar("CBmean", "CBmean",110, 60, 200) CBsigma = RooRealVar("CBsigma", "CBsigma",40, 20, 100) CBalpha = RooRealVar("CBalpha", "CBalpha", -0.5, -20., 0.) # CBalpha = RooRealVar("CBalpha", "CBalpha", 10, 0., 20.) CBn = RooRealVar("CBn", "CBn", 1., 0., 20.) crystalBall = RooCBShape("crystalBall","Crystal Ball resolution model", x, CBmean, CBsigma, CBalpha, CBn) fracGauss = RooRealVar("fracGauss", "fracGauss", 0.4, 0, 1) gaussPlusCrystalBall = RooAddPdf("gaussPlusCrystalBall", "Gauss plus Crystal Ball", RooArgList(gauss, crystalBall), RooArgList( fracGauss ) ) fitFunction = gaussPlusCrystalBall elif whatToFit == 'partons': mg = RooRealVar("mean","mean of gaussian",86,50,120) sg = RooRealVar("sigma","width of gaussian",10,0,50) breitWigner = RooBreitWigner('bw', 'bw', x, mg, sg) fitFunction = breitWigner elif whatToFit == 'genJetsFromPartons': # mg = RooRealVar("mean","mean of gaussian",86,50,120) # sg = RooRealVar("sigma","width of gaussian",10,0,50) # breitWigner = RooBreitWigner('bw', 'bw', x, mg, sg) # fitFunction = breitWigner # mg = RooRealVar("mean","mean of gaussian",86,50,120) # sg = RooRealVar("sigma","width of gaussian",1,0,20) # width = RooRealVar("width","width of gaussian",5,0,50) # voigtian = RooVoigtian("voigt","voigt",x,mg,sg,width); # fitFunction = voigtian mg = RooRealVar("mean","mean of gaussian",86,50,120) sg = RooRealVar("sigma","width of gaussian",10,0,50) gauss = RooGaussian("gauss","gaussian PDF",x,mg,sg) fitFunction = gauss print fitFunction # # Fit pdf to data fitFunction.fitTo(histToFit) # Plot histogram being fitted histToFit.plotOn(frame) # Plot fit functions and components fitFunction.plotOn(frame, RooFit.LineColor(kRed)) print 'Chi square with 7 : ',frame.chiSquare(7) print frame.chiSquare() print fitFunction.getParameters(histToFit).selectByAttrib('Constant', kFALSE).getSize() toPlot = RooArgSet(crystalBall) fitFunction.plotOn(frame, RooFit.Components(toPlot), RooFit.LineStyle(kDashed), RooFit.LineColor(kRed)) toPlot = RooArgSet(gauss) fitFunction.plotOn(frame, RooFit.Components(toPlot), RooFit.LineStyle(kDashed), RooFit.LineColor(kBlue)) fitFunction.paramOn(frame,RooFit.Layout(0.55, 0.9, 0.9)) ; # Print values of mean and sigma (that now reflect fitted values and errors) mg.Print() sg.Print() # CBmean.Print() # CBsigma.Print() # CBalpha.Print() # CBn.Print() # fracGauss.Print() # # Draw frame on a canvas c = TCanvas("WMass","WMass",800,400) gPad.SetLeftMargin(0.15) frame.GetYaxis().SetTitleOffset(1.6) frame.Draw() gPad.Update() c.Print('EPlusJets_mjj_fit.pdf') raw_input()
inH = inF.Get('lbtkCombBKG') datahist = RooDataHist('histogram', 'histogram', RooArgList(mass), inH) # create target PDF. #space.factory('EXPR::cPDF( "( exp(-1.*(mass-mShift)/(cPar1+cPar2)) - exp(-1.*(mass-mShift)/cPar1) )", mass, mShift[4.8,0.1,10.0], cPar1[0.44,0.001,100.],cPar2[0.0025,0.0000001,10.] )') space.factory( 'EXPR::cPDF( "( exp(-1.*(mass-mShift)/(cPar1+cPar2)) - exp(-1.*(mass-mShift)/cPar1) )", mass, mShift[4.8,0.1,10.0], cPar1[0.44,0.001,100.],cPar2[0.0025,0.0000001,10.] )' ) myPDF = space.pdf('cPDF') myPDF.fitTo(datahist) myPDF.fitTo(datahist) myPDF.fitTo(datahist) myFrame = mass.frame() datahist.plotOn(myFrame) myPDF.plotOn(myFrame) canv = TCanvas('c1', 'c1', 1600, 1000) myFrame.Draw() canv.SaveAs('store_fig/hout_simpleFit_lbDist_from2016Data.png') canv.SaveAs('store_fig/C_hout_simpleFit_lbDist_from2016Data.C') # fit lbtkMass in 2016Data end }}} ## fit lbtkMass in Lb MC {{{ ##space.factory('lbtkMass[5.1,7.]') #space.factory('lbtkMass[5.5,5.7]') #mass=space.var('lbtkMass') # #inN=inF.Get('LbTk') #dataset=RooDataSet('dataset','dataset',inN,RooArgSet(mass)) #
def RooFitHist(inputhist,title='title',path='.'): # RooFit.gErrorIgnoreLevel = RooFit.kInfo # <6.02 # RooFit.SetSilentMode()# >6.02 # RooMsgService().instance().SetSilentMode(kTRUE) fitbinning=array('d') binwidth=200 #NBins=(14000/binwidth) - ( (1040/binwidth) + 1 ) Mjj NBins=(8000/binwidth) - ( (200/binwidth)+1 )#pT for i in range(NBins+1): fitbinning.append(210+i*binwidth)# Mjj 1050 # print(fitbinning) #import numpy as np #fitbinning=np.linspace(0,8000,81) hist=inputhist.Rebin(NBins,"fit parameter",fitbinning) #hist=inputhist.Rebin(80,"fit parameter", fitbinning) #meanstart=hist.GetBinCenter(2000) meanstart=hist.GetBinCenter(hist.GetMaximumBin())#maximum sigmastart=hist.GetRMS() #sigmastart=3000 print('meanstart:',meanstart,'sigmastart:',sigmastart) # inputhist.Draw() # hist.Draw() # hold=raw_input('press enter to exit.') gStyle.SetOptFit(1111) gStyle.SetOptTitle(0) RooFit.SumW2Error(kTRUE) RooFit.Extended(kTRUE) # RooDataHist::adjustBinning(dh): fit range of variable mjj expanded to nearest bin boundaries: [1050,13850] --> [1050,13850] mjj=RooRealVar('mjj','P_{T-AK8}',fitbinning[0],fitbinning[len(fitbinning)-1],'GeV') mjjral=RooArgList(mjj) dh=RooDataHist('dh','dh',mjjral,RooFit.Import(hist)) #shape.fitTo(dh,RooFit.Range("FitRange"),RooFit.Extended(True),RooFit.SumW2Error(False)) shapes={} #Gaussian not really # 3rd, 4th and 5th arguments are: (starting value, minimum possible value, maximum possible value) -- not goot gaussmean = RooRealVar('#mu_{gauss}','mass mean value',meanstart,0,2*meanstart) gausssigma= RooRealVar('#sigma_{gauss}','mass resolution',sigmastart,0,2*meanstart) gauss=RooGaussian('gauss','gauss',mjj,gaussmean,gausssigma) shapes.update({'Gauss':gauss}) #poisson poissonmean = RooRealVar('#mu_{poisson}', 'pT mean value', meanstart,0,2*meanstart) poissonsigma = RooRealVar('#sigma_{poisson]', 'pT resolution', sigmastart, 0, 2*sigmastart) poisson = RooPoisson('poisson', 'poisson', mjj, poissonmean, False) shapes.update({'Poisson': poisson}) #Landau -- not good landaumean=RooRealVar('#mu_{landau}','mean landau',meanstart,0,2*meanstart) landausigma= RooRealVar('#sigma_{landau}','mass resolution',sigmastart,0,2*sigmastart)#bzw8 landau=RooLandau('landau','landau',mjj,landaumean,landausigma) shapes.update({'Landau':landau}) #CrystalBall -> this is close to be good but matrix error :( mean = RooRealVar('#mu','mean',meanstart,0,2*meanstart) sigma= RooRealVar('#sigma','sigma',sigmastart,0,2*sigmastart) alpha=RooRealVar('#alpha','Gaussian tail',-1000,0) n=RooRealVar('n','Normalization',-1000,1000) cbshape=RooCBShape('cbshape','crystalball PDF',mjj,mean,sigma,alpha,n) shapes.update({'CrystalBall':cbshape}) #Voigt ---pff voigtmean = RooRealVar('#mu','mass mean value',meanstart,0,2*meanstart) voigtwidth = RooRealVar('#gamma','width of voigt',0,100) voigtsigma= RooRealVar('#sigma','mass resolution',sigmastart,0,150) voigt=RooVoigtian('voigt','voigt',mjj,voigtmean,voigtwidth,voigtsigma) shapes.update({'Voigt':voigt}) #BreitWigner--worst bwmean = RooRealVar('#mu','mass mean value',meanstart,0,2*meanstart) bwwidth = RooRealVar('#sigma','width of bw',sigmastart,100, 150) bw=RooBreitWigner('bw','bw',mjj,bwmean,bwwidth) shapes.update({'BreitWigner':bw}) #Logistics #logisticsmean=RooRealVar('#mu_{logistics}','mean logistics',meanstart,0,2*meanstart) #logisticssigma= RooRealVar('#sigma_{logistics}','mass resolution',sigmastart,0,2*sigmastart) #logistics=RooLogistics('logistics','logistics',mjj,logisticsmean,logisticssigma) #shapes.update({'Logistics':logistics}) #ExpAndGauss expgaussmean=RooRealVar('#mu_{expgauss}','mean expgauss',meanstart,490,900) expgausssigma= RooRealVar('#sigma_{expgauss}','mass resolution',sigmastart,20,3*sigmastart) expgausstrans= RooRealVar('trans','trans',0,1000) ExpAndGauss=RooExpAndGauss('expgauss','expgauss',mjj,expgaussmean,expgausssigma,expgausstrans) shapes.update({'ExpAndGauss':ExpAndGauss}) #Exp #expmean=RooRealVar('') #BifurGauss -bad BifurGaussmean=RooRealVar('#mu_{BifurGauss}','mean BifurGauss',meanstart,0,2*meanstart) BifurGausslsigma= RooRealVar('#sigma_{left}','mass resolution',sigmastart,200,2*sigmastart)#2*sigmastart BifurGaussrsigma= RooRealVar('#sigma_{right}','mass resolution',sigmastart,200,2*sigmastart) BifurGauss=RooBifurGauss('BifurGauss','BifurGauss',mjj,BifurGaussmean,BifurGausslsigma,BifurGaussrsigma) shapes.update({'BifurGauss':BifurGauss}) #Chebychev -nope Chebychev1=RooRealVar('c0','Chebychev0',-1000,1000) Chebychev2= RooRealVar('c1','Chebychev1',-1000,1000) Chebychev3= RooRealVar('c2','Chebychev2',2,-1000,1000) Chebychev=RooChebychev('Chebychev','Chebychev',mjj,RooArgList(Chebychev1,Chebychev2,Chebychev3)) shapes.update({'Chebychev':Chebychev}) #Polynomial -nope Polynomial1=RooRealVar('Polynomial1','Polynomial1',100,0,1000) Polynomial2= RooRealVar('Polynomial2','Polynomial2',100,0,1000) Polynomial=RooPolynomial('Polynomial','Polynomial',mjj,RooArgList(Polynomial1,Polynomial2)) shapes.update({'Polynomial':Polynomial}) #pareto #___________________________________________________________We will see #Convolutions #-> use bin > 1000 for better accuracy -----cyclic trouble #-> Convolution depends on order!!! RooFFTConvPdf the first p.d.f. is the theory model and that the second p.d.f. is the resolution model # #LandauGauss Convolution - really bad landaugauss=RooFFTConvPdf('landaugauss','landau x gauss',mjj,landau, gauss) #landaugauss.setBufferFraction(126) shapes.update({'LandauGauss':landaugauss}) #GaussLandau Convolution -> Better but NOT posdef. ...but for 100 it is gausslandau=RooFFTConvPdf('gausslandau','gauss x landau ',mjj,gauss,landau) #gausslandau.setBufferFraction(126) shapes.update({'GaussLandau':gausslandau}) #CrystalBallLandau Convolution cbshape x landau looks better -> status failed crystlandau=RooFFTConvPdf('crystallandau','cbshape x landau', mjj, landau, cbshape) crystlandau.setBufferFraction(39) shapes.update({'CrystLandau': crystlandau}) #BifurGaussLandau Convolution -> Better in look, NO matrix error for Binwidth 200 BifurGaussLandau=RooFFTConvPdf('bifurgausslandau','landau x bifurgauss',mjj,landau, BifurGauss) BifurGaussLandau.setBufferFraction(39) #against over cycling shapes.update({'BifurGaussLandau':BifurGaussLandau}) #CrystalGauss Convolution looks better -> status failed crystgauss=RooFFTConvPdf('crystalgauss','cbshape x gauss', mjj, cbshape, gauss) #crystgauss.setBufferFraction(39) shapes.update({'CrystGauss': crystgauss}) #BreitWignerLandau Convolution (Breitwigner = Lorentz)-> status OK.... BreitWignerLandau=RooFFTConvPdf('breitwignerlandau','breitwigner x landau',mjj,landau,bw,3) #BreitWignerLandau.setBufferFraction(48) #setBufferFraction(fraction of the sampling array size) ->cyclic behaviour fix #crystgauss.setShift(0,0) #s1 and s2 are the amounts by which the sampling ranges for pdf's are shifted respectively #(0,-(xmin+xmax)/2) replicates the default behavior #(0,0) disables the shifting feature altogether shapes.update({'BreitWignerLandau':BreitWignerLandau}) for fname in ['ExpAndGauss']: plottitle='%s Fit of %s'%(fname,title) shape=shapes[fname] # shape.fitTo(dh,RooFit.Range("FitRange"),RooFit.SumW2Error(True)) #shape.fitTo(dh,RooFit.Extended(True),RooFit.SumW2Error(True)) mjj.setRange("FitRange",500,4000)#tried shape.fitTo(dh,RooFit.Range("FitRange"),RooFit.Extended(False),RooFit.SumW2Error(True)) frame=mjj.frame(RooFit.Title(plottitle)) #frame.GetYaxis().SetTitleOffset(2) dh.plotOn(frame,RooFit.MarkerStyle(4)) shape.plotOn(frame,RooFit.LineColor(2)) ndof=dh.numEntries()-3 print ('ndof', ndof) #chiSquare legend chi2 = frame.chiSquare()#there are 2 chiSquare. the 2cond returns chi2/ndf /// \return \f$ \chi^2 / \mathrm{ndf} \f$ print ('chi2', chi2) probChi2 = TMath.Prob(chi2*ndof, ndof)# why chi2*ndof ?! makes no sense to me #Double_t Prob(Double_t chi2, Int_t ndf) #Computation of the probability for a certain Chi-squared (chi2) #and number of degrees of freedom (ndf). #P(a,x) represents the probability that the observed Chi-squared #for a correct model should be less than the value chi2. #The returned probability corresponds to 1-P(a,x), !!!! #which denotes the probability that an observed Chi-squared exceeds #the value chi2 by chance, even for a correct model. #--- NvE 14-nov-1998 UU-SAP Utrecht #probChi2=TMath.Prob(chi2, ndof) chi2 = round(chi2,2) #probChi2 = round(probChi2,2) leg = TLegend(0.5,0.5,0.5,0.65)#0.9 leg.SetBorderSize(0) leg.SetFillStyle(0) shape.paramOn(frame, RooFit.Layout(0.5,0.9,0.9)) leg.AddEntry(0,'#chi^{2} ='+str(chi2),'') leg.AddEntry(0,'Prob #chi^{2} = '+str(probChi2),'') leg.SetTextSize(0.04) frame.addObject(leg) canv=TCanvas(plottitle,plottitle,700,700) canv.SetLogy() canv.SetLeftMargin(0.20) canv.cd() frame.SetMaximum(10**(1)) frame.SetMinimum(10**(-11))#from -3 -> -6 frame.Draw() #canv.Print(path+'/%s__%sS2MoreLessY.pdf'%(title,fname)) raw_input('press enter to continue') return chi2
model.SetParameter(2, 0.01) hist.Fit(model) """ x = RooRealVar("x", "x", -1000.0, 1000.0) roodata = RooDataHist("roodata", "equity dataset", RooArgList(x), hist) frame = x.frame() mass = RooRealVar("mass", "mass", 0.0, -10.0, 10.0) width = RooRealVar("width", "width", 0.01, -10.0, 10.0) s = RooRealVar("s", "s", 0.005, -10.0, 10.0) #model = RooGaussian("gaus", "gaus", x, mass, width) #model = RooBreitWigner("bw", "bw", x, mass, width) model = RooVoigtian("voigt", "voigt", x, mass, width, s) fit_result = model.fitTo(roodata, RooFit.Save()) roodata.plotOn(frame) #roodata.statOn(frame) model.plotOn(frame) model.paramOn(frame, roodata) frame.Draw() chisq = frame.chiSquare() ndf = n_bins print "------> Fit Quality:", TMath.Prob(chisq, ndf) canv.Update() canv.SaveAs("%s.png" % name[i]) del hist
def rf501_simultaneouspdf(): signal_1, bkg_1, signal_2, bkg_2 = get_templates() # C r e a t e m o d e l f o r p h y s i c s s a m p l e # ------------------------------------------------------------- # Create observables x = RooRealVar( "x", "x", 0, 200 ) x.setBins(n_bins) nsig = RooRealVar( "nsig", "#signal events", N_signal_obs, 0., 2*N_data ) nbkg = RooRealVar( "nbkg", "#background events", N_bkg1_obs, 0., 2*N_data ) # Construct signal pdf # mean = RooRealVar( "mean", "mean", mu4, 40, 200 ) # sigma = RooRealVar( "sigma", "sigma", sigma4, 0.1, 20 ) # gx = RooGaussian( "gx", "gx", x, mean, sigma ) roofit_signal_1 = RooDataHist( 'signal_1', 'signal_1', RooArgList(x), signal_1 ) signal_1_pdf = RooHistPdf ( 'signal_1_pdf' , 'signal_1_pdf', RooArgSet(x), roofit_signal_1) # Construct background pdf # mean_bkg = RooRealVar( "mean_bkg", "mean_bkg", mu3, 40, 200 ) # sigma_bkg = RooRealVar( "sigma_bkg", "sigma_bkg", sigma3, 0.1, 20 ) # px = RooGaussian( "px", "px", x, mean_bkg, sigma_bkg ) roofit_bkg_1 = RooDataHist( 'bkg_1', 'bkg_1', RooArgList(x), bkg_1 ) bkg_1_pdf = RooHistPdf ( 'bkg_1_pdf' , 'bkg_1_pdf', RooArgSet(x), roofit_bkg_1) # Construct composite pdf model = RooAddPdf( "model", "model", RooArgList( signal_1_pdf, bkg_1_pdf ), RooArgList( nsig, nbkg ) ) # C r e a t e m o d e l f o r c o n t r o l s a m p l e # -------------------------------------------------------------- # Construct signal pdf. # NOTE that sigma is shared with the signal sample model y = RooRealVar( "y", "y", 0, 200 ) y.setBins(n_bins) mean_ctl = RooRealVar( "mean_ctl", "mean_ctl", mu2, 0, 200 ) sigma_ctl = RooRealVar( "sigma", "sigma", sigma2, 0.1, 10 ) gx_ctl = RooGaussian( "gx_ctl", "gx_ctl", y, mean_ctl, sigma_ctl ) # Construct the background pdf mean_bkg_ctl = RooRealVar( "mean_bkg_ctl", "mean_bkg_ctl", mu1, 0, 200 ) sigma_bkg_ctl = RooRealVar( "sigma_bkg_ctl", "sigma_bkg_ctl", sigma1, 0.1, 20 ) px_ctl = RooGaussian( "px_ctl", "px_ctl", y, mean_bkg_ctl, sigma_bkg_ctl ) # Construct the composite model # f_ctl = RooRealVar( "f_ctl", "f_ctl", 0.5, 0., 20. ) model_ctl = RooAddPdf( "model_ctl", "model_ctl", RooArgList( gx_ctl, px_ctl ), RooArgList( nsig, nbkg ) ) # G e t e v e n t s f o r b o t h s a m p l e s # --------------------------------------------------------------- real_data, real_data_ctl = get_data() real_data_hist = RooDataHist( 'real_data_hist', 'real_data_hist', RooArgList( x ), real_data ) real_data_ctl_hist = RooDataHist( 'real_data_ctl_hist', 'real_data_ctl_hist', RooArgList( y ), real_data_ctl ) input_hists = MapStrRootPtr() input_hists.insert( StrHist( "physics", real_data ) ) input_hists.insert( StrHist( "control", real_data_ctl ) ) # C r e a t e i n d e x c a t e g o r y a n d j o i n s a m p l e s # --------------------------------------------------------------------------- # Define category to distinguish physics and control samples events sample = RooCategory( "sample", "sample" ) sample.defineType( "physics" ) sample.defineType( "control" ) # Construct combined dataset in (x,sample) combData = RooDataHist( "combData", "combined data", RooArgList( x), sample , input_hists ) # C o n s t r u c t a s i m u l t a n e o u s p d f i n ( x , s a m p l e ) # ----------------------------------------------------------------------------------- # Construct a simultaneous pdf using category sample as index simPdf = RooSimultaneous( "simPdf", "simultaneous pdf", sample ) # Associate model with the physics state and model_ctl with the control state simPdf.addPdf( model, "physics" ) simPdf.addPdf( model_ctl, "control" ) #60093.048127 173.205689173 44.7112503776 # P e r f o r m a s i m u l t a n e o u s f i t # --------------------------------------------------- model.fitTo( real_data_hist, RooFit.Minimizer( "Minuit2", "Migrad" ), RooFit.NumCPU( 1 ), # RooFit.Extended(), # RooFit.Save(), ) summary = 'fit in signal region\n' summary += 'nsig: ' + str( nsig.getValV() ) + ' +- ' + str( nsig.getError() ) + '\n' summary += 'nbkg: ' + str( nbkg.getValV() ) + ' +- ' + str( nbkg.getError() ) + '\n' # # model_ctl.fitTo( real_data_ctl_hist ) # summary += 'fit in control region\n' # summary += 'nsig: ' + str( nsig.getValV() ) + ' +- ' + str( nsig.getError() ) + '\n' # summary += 'nbkg: ' + str( nbkg.getValV() ) + ' +- ' + str( nbkg.getError() ) + '\n' # # # Perform simultaneous fit of model to data and model_ctl to data_ctl # simPdf.fitTo( combData ) # summary += 'Combined fit\n' # summary += 'nsig: ' + str( nsig.getValV() ) + ' +- ' + str( nsig.getError() ) + '\n' # summary += 'nbkg: ' + str( nbkg.getValV() ) + ' +- ' + str( nbkg.getError() ) + '\n' # P l o t m o d e l s l i c e s o n d a t a s l i c e s # ---------------------------------------------------------------- # Make a frame for the physics sample frame1 = x.frame( RooFit.Bins( 30 ), RooFit.Title( "Physics sample" ) ) # Plot all data tagged as physics sample combData.plotOn( frame1, RooFit.Cut( "sample==sample::physics" ) ) # Plot "physics" slice of simultaneous pdf. # NBL You _must_ project the sample index category with data using ProjWData # as a RooSimultaneous makes no prediction on the shape in the index category # and can thus not be integrated simPdf.plotOn( frame1, RooFit.Slice( sample, "physics" ), RooFit.ProjWData( RooArgSet( sample ), combData ), ) simPdf.plotOn( frame1, RooFit.Slice( sample, "physics" ), RooFit.Components( "signal_1_pdf" ), RooFit.ProjWData( RooArgSet( sample ), combData ), RooFit.LineStyle( kDashed ), ) simPdf.plotOn( frame1, RooFit.Slice( sample, "physics" ), RooFit.Components( "bkg_1_pdf" ), RooFit.ProjWData( RooArgSet( sample ), combData ), RooFit.LineStyle( kDashed ), RooFit.LineColor( kRed ) ) # The same plot for the control sample slice frame2 = y.frame( RooFit.Bins( 30 ), RooFit.Title( "Control sample" ) ) combData.plotOn( frame2, RooFit.Cut( "sample==sample::control" ) ) simPdf.plotOn( frame2, RooFit.Slice( sample, "control" ), RooFit.ProjWData( RooArgSet( sample ), combData ) ) simPdf.plotOn( frame2, RooFit.Slice( sample, "control" ), RooFit.Components( "px_ctl" ), RooFit.ProjWData( RooArgSet( sample ), combData ), RooFit.LineStyle( kDashed ) ) c = TCanvas( "rf501_simultaneouspdf", "rf403_simultaneouspdf", 800, 400 ) c.Divide( 2 ) c.cd( 1 ) gPad.SetLeftMargin( 0.15 ) frame1.GetYaxis().SetTitleOffset( 1.4 ) frame1.Draw() c.cd( 2 ) gPad.SetLeftMargin( 0.15 ) frame2.GetYaxis().SetTitleOffset( 1.4 ) frame2.Draw() print summary print real_data.Integral() raw_input()
def pdf_logPt2_incoh(): #PDF fit to log_10(pT^2) #tree_in = tree_incoh tree_in = tree #ptbin = 0.04 ptbin = 0.12 ptmin = -5. ptmax = 1. mmin = 2.8 mmax = 3.2 #fitran = [-5., 1.] fitran = [-0.9, 0.1] binned = False #gamma-gamma 131 evt for pT<0.18 #output log file out = open("out.txt", "w") ut.log_results( out, "in " + infile + " in_coh " + infile_coh + " in_gg " + infile_gg) loglist = [(x, eval(x)) for x in ["ptbin", "ptmin", "ptmax", "mmin", "mmax", "fitran", "binned"]] strlog = ut.make_log_string(loglist) ut.log_results(out, strlog + "\n") #input data pT = RooRealVar("jRecPt", "pT", 0, 10) m = RooRealVar("jRecM", "mass", 0, 10) dataIN = RooDataSet("data", "data", tree_in, RooArgSet(pT, m)) strsel = "jRecM>{0:.3f} && jRecM<{1:.3f}".format(mmin, mmax) data = dataIN.reduce(strsel) #x is RooRealVar for log(Pt2) draw = "TMath::Log10(jRecPt*jRecPt)" draw_func = RooFormulaVar("x", "log_{10}( #it{p}_{T}^{2} ) (GeV^{2})", draw, RooArgList(pT)) x = data.addColumn(draw_func) x.setRange("fitran", fitran[0], fitran[1]) #binned data nbins, ptmax = ut.get_nbins(ptbin, ptmin, ptmax) hPt = TH1D("hPt", "hPt", nbins, ptmin, ptmax) tree_in.Draw(draw + " >> hPt", strsel) dataH = RooDataHist("dataH", "dataH", RooArgList(x), hPt) #range for plot x.setMin(ptmin) x.setMax(ptmax) x.setRange("plotran", ptmin, ptmax) #create the pdf b = RooRealVar("b", "b", 5., 0., 10.) pdf_func = "log(10.)*pow(10.,x)*exp(-b*pow(10.,x))" pdf_logPt2 = RooGenericPdf("pdf_logPt2", pdf_func, RooArgList(x, b)) #make the fit if binned == True: r1 = pdf_logPt2.fitTo(dataH, rf.Range("fitran"), rf.Save()) else: r1 = pdf_logPt2.fitTo(data, rf.Range("fitran"), rf.Save()) ut.log_results(out, ut.log_fit_result(r1)) #calculate norm to number of events xset = RooArgSet(x) ipdf = pdf_logPt2.createIntegral(xset, rf.NormSet(xset), rf.Range("fitran")) print "PDF integral:", ipdf.getVal() if binned == True: nevt = tree_incoh.Draw( "", strsel + " && " + draw + ">{0:.3f}".format(fitran[0]) + " && " + draw + "<{1:.3f}".format(fitran[0], fitran[1])) else: nevt = data.sumEntries("x", "fitran") print "nevt:", nevt pdf_logPt2.setNormRange("fitran") print "PDF norm:", pdf_logPt2.getNorm(RooArgSet(x)) #a = nevt/ipdf.getVal() a = nevt / pdf_logPt2.getNorm(RooArgSet(x)) ut.log_results(out, "log_10(pT^2) parametrization:") ut.log_results(out, "A = {0:.2f}".format(a)) ut.log_results(out, ut.log_fit_parameters(r1, 0, 2)) print "a =", a #Coherent contribution hPtCoh = ut.prepare_TH1D("hPtCoh", ptbin, ptmin, ptmax) hPtCoh.Sumw2() #tree_coh.Draw(draw + " >> hPtCoh", strsel) tree_coh.Draw("TMath::Log10(jGenPt*jGenPt) >> hPtCoh", strsel) ut.norm_to_data(hPtCoh, hPt, rt.kBlue, -5., -2.2) # norm for coh #ut.norm_to_data(hPtCoh, hPt, rt.kBlue, -5, -2.1) #ut.norm_to_num(hPtCoh, 405, rt.kBlue) print "Coherent integral:", hPtCoh.Integral() #TMath::Log10(jRecPt*jRecPt) #Sartre generated coherent shape sartre = TFile.Open( "/home/jaroslav/sim/sartre_tx/sartre_AuAu_200GeV_Jpsi_coh_2p7Mevt.root" ) sartre_tree = sartre.Get("sartre_tree") hSartre = ut.prepare_TH1D("hSartre", ptbin, ptmin, ptmax) sartre_tree.Draw("TMath::Log10(pT*pT) >> hSartre", "rapidity>-1 && rapidity<1") ut.norm_to_data(hSartre, hPt, rt.kViolet, -5, -2) # norm for Sartre #gamma-gamma contribution hPtGG = ut.prepare_TH1D("hPtGG", ptbin, ptmin, ptmax) tree_gg.Draw(draw + " >> hPtGG", strsel) #ut.norm_to_data(hPtGG, hPt, rt.kGreen, -5., -2.9) ut.norm_to_num(hPtGG, 131., rt.kGreen) print "Int GG:", hPtGG.Integral() #psi' contribution psiP = TFile.Open(basedir_mc + "/ana_slight14e4x1_s6_sel5z.root") psiP_tree = psiP.Get("jRecTree") hPtPsiP = ut.prepare_TH1D("hPtPsiP", ptbin, ptmin, ptmax) psiP_tree.Draw(draw + " >> hPtPsiP", strsel) ut.norm_to_num(hPtPsiP, 12, rt.kViolet) #sum of all contributions hSum = ut.prepare_TH1D("hSum", ptbin, ptmin, ptmax) hSum.SetLineWidth(3) #add ggel to the sum hSum.Add(hPtGG) #add incoherent contribution func_logPt2 = TF1("pdf_logPt2", "[0]*log(10.)*pow(10.,x)*exp(-[1]*pow(10.,x))", -10., 10.) func_logPt2.SetParameters(a, b.getVal()) hInc = ut.prepare_TH1D("hInc", ptbin, ptmin, ptmax) ut.fill_h1_tf(hInc, func_logPt2) hSum.Add(hInc) #add coherent contribution hSum.Add(hPtCoh) #add psi(2S) contribution #hSum.Add(hPtPsiP) #set to draw as a lines ut.line_h1(hSum, rt.kBlack) #create canvas frame can = ut.box_canvas() ut.set_margin_lbtr(gPad, 0.11, 0.09, 0.01, 0.01) frame = x.frame(rf.Bins(nbins), rf.Title("")) frame.SetTitle("") frame.SetMaximum(75) frame.SetYTitle("Events / ({0:.3f}".format(ptbin) + " GeV^{2})") print "Int data:", hPt.Integral() #plot the data if binned == True: dataH.plotOn(frame, rf.Name("data")) else: data.plotOn(frame, rf.Name("data")) pdf_logPt2.plotOn(frame, rf.Range("fitran"), rf.LineColor(rt.kRed), rf.Name("pdf_logPt2")) pdf_logPt2.plotOn(frame, rf.Range("plotran"), rf.LineColor(rt.kRed), rf.Name("pdf_logPt2_full"), rf.LineStyle(rt.kDashed)) frame.Draw() amin = TMath.Power(10, ptmin) amax = TMath.Power(10, ptmax) - 1 print amin, amax pt2func = TF1("f1", "TMath::Power(10, x)", amin, amax) #TMath::Power(x, 10) aPt2 = TGaxis(-5, 75, 1, 75, "f1", 510, "-") ut.set_axis(aPt2) aPt2.SetTitle("pt2") #aPt2.Draw(); leg = ut.prepare_leg(0.57, 0.78, 0.14, 0.19, 0.03) ut.add_leg_mass(leg, mmin, mmax) hx = ut.prepare_TH1D("hx", 1, 0, 1) hx.Draw("same") ln = ut.col_lin(rt.kRed) leg.AddEntry(hx, "Data") leg.AddEntry(hPtCoh, "Sartre MC", "l") leg.AddEntry(hPtGG, "#gamma#gamma#rightarrow e^{+}e^{-} MC", "l") #leg.AddEntry(ln, "ln(10)*#it{A}*10^{log_{10}#it{p}_{T}^{2}}exp(-#it{b}10^{log_{10}#it{p}_{T}^{2}})", "l") #leg.AddEntry(ln, "Incoherent fit", "l") leg.Draw("same") l0 = ut.cut_line(fitran[0], 0.9, frame) l1 = ut.cut_line(fitran[1], 0.9, frame) #l0.Draw() #l1.Draw() desc = pdesc(frame, 0.14, 0.8, 0.054) desc.set_text_size(0.03) desc.itemD("#chi^{2}/ndf", frame.chiSquare("pdf_logPt2", "data", 2), -1, rt.kRed) desc.itemD("#it{A}", a, -1, rt.kRed) desc.itemR("#it{b}", b, rt.kRed) desc.draw() #put the sum #hSum.Draw("same") #gPad.SetLogy() frame.Draw("same") #put gamma-gamma hPtGG.Draw("same") #put coherent J/psi hPtCoh.Draw("same") #put Sartre generated coherent shape #hSartre.Draw("same") #put psi(2S) contribution #hPtPsiP.Draw("same") leg2 = ut.prepare_leg(0.14, 0.9, 0.14, 0.08, 0.03) leg2.AddEntry( ln, "ln(10)*#it{A}*10^{log_{10}#it{p}_{T}^{2}}exp(-#it{b}10^{log_{10}#it{p}_{T}^{2}})", "l") #leg2.AddEntry(hPtCoh, "Sartre MC reconstructed", "l") #leg2.AddEntry(hSartre, "Sartre MC generated", "l") leg2.Draw("same") ut.invert_col(rt.gPad) can.SaveAs("01fig.pdf")
# param = ROOT.RooRealVar( p_name, "", p_min, p_max) # gcs.append(param) # coeff.add(param) # print 'her' print formula #coeff.add(x) #coeff.Print() pdf = ROOT.RooGenericPdf( ("%s" % (pdf_name)), "", "TMath::Exp(-@0*TMath::Log(@2/13000)-@0*@1*TMath::Log(@2/13000)*TMath::Log(@2/13000))*(1+@3*(@2/13000))", RooArgList(c,c2,x,c3) ) #pdf = ROOT.RooGenericPdf( ("%s" % (pdf_name)), "", "TMath::Exp(-@0*TMath::Log(@2)-@0*@1*TMath::Log(@2)*TMath::Log(@2))", RooArgList(c,c2,x) ) res = pdf.fitTo(roo_mbb_hist, RooFit.SumW2Error(ROOT.kFALSE), RooFit.Warnings(ROOT.kFALSE)) frame = x.frame() roo_mbb_hist.plotOn(frame,RooFit.DrawOption("Psame"), RooFit.LineWidth(2)) pdf.plotOn(frame,RooFit.LineColor(2)) frame.GetYaxis().SetRangeUser(0.,data_hist.GetMaximum()*1.1) frame.GetXaxis().SetNdivisions(5,False) frame.GetYaxis().SetTitleOffset(1.5) frame.GetYaxis().SetTitle("Events") frame.GetXaxis().SetTitle(data_hist.GetTitle()) chi2 = frame.chiSquare( ) print chi2 frame.Draw() print 'res minNll = ', res.minNll() pCMS1.Draw() pCMS12.Draw()
ws.factory("Gaussian::gaus1(x,gm1[0.85,%.2f,%.2f],gs1[0.1,%.2f,%.2f])" % (0.8,1.05, 0.01,0.25)) #gmlow, gmup = 1.00, 1.15 gmlow, gmup = 0.90, 1.15 else: ws.factory("Gaussian::gaus1(x,gm1[1.0,%.2f,%.2f],gs1[0.1,%.2f,%.2f])" % (0.95,1.10, 0.01,0.16)) ws.factory("expr::gs2('gs1*gssf1',gs1,gssf1[1.05,1,6])") ws.factory("Gaussian::gaus2(x,gm2[1.0,%.2f,%.2f],gs2)" % (gmlow,gmup)) #ws.factory("Gaussian::gaus2(x,gm2[1.0,%.2f,%.2f],gs2)" % (gmlow,gmup)) ws.factory("SUM::double_gaussian(gaus1,f[0.5,0,1]*gaus2)") model = ws.pdf("double_gaussian") #result = model.fitTo(data, RooFit.Save()) result = model.fitTo(data, RooFit.Range(fxlow,fxup), RooFit.Save()) data.plotOn(frame,RooFit.Name("data"),RooFit.DataError(RooAbsData.SumW2)) model.plotOn(frame,RooFit.Name("model_1"),RooFit.Components("gaus1"),RooFit.LineStyle(kDashed),RooFit.LineColor(kBlue-7)) model.plotOn(frame,RooFit.Name("model_2"),RooFit.Components("gaus2"),RooFit.LineStyle(kDashed),RooFit.LineColor(kBlue-7)) model.plotOn(frame,RooFit.Name("model")) frame.SetMaximum(h.GetMaximum() if logy else 6000) frame.SetMinimum(0.5 if logy else 0) frame.Draw() chi2 = frame.chiSquare("model", "data", 5) p1 = ws.var("gm1") p2 = ws.var("gs1") p3 = ws.var("gm2") p4 = ws.var("gssf1") #p4 = ws.var("gs2") p5 = ws.var("f") parvalues = [p1.getVal(), p2.getVal(), p3.getVal(), p4.getVal(), p5.getVal()]
def rf501_simultaneouspdf(): # C r e a t e m o d e l f o r p h y s i c s s a m p l e # ------------------------------------------------------------- # Create observables x = RooRealVar("x", "x", 40, 200) # Construct signal pdf mean = RooRealVar("mean", "mean", 140, 40, 200) sigma = RooRealVar("sigma", "sigma", 5, 0.1, 10) gx = RooGaussian("gx", "gx", x, mean, sigma) # Construct background pdf mean_bkg = RooRealVar("mean_bkg", "mean_bkg", 100, 40, 200) sigma_bkg = RooRealVar("sigma_bkg", "sigma_bkg", 15, 0.1, 20) px = RooGaussian("px", "px", x, mean_bkg, sigma_bkg) # Construct composite pdf f = RooRealVar("f", "f", 0.2, 0., 20.) model = RooAddPdf("model", "model", RooArgList(gx, px), RooArgList(f)) # C r e a t e m o d e l f o r c o n t r o l s a m p l e # -------------------------------------------------------------- # Construct signal pdf. # NOTE that sigma is shared with the signal sample model mean_ctl = RooRealVar("mean_ctl", "mean_ctl", 140, 40, 200) gx_ctl = RooGaussian("gx_ctl", "gx_ctl", x, mean_ctl, sigma) # Construct the background pdf mean_bkg_ctl = RooRealVar("mean_bkg_ctl", "mean_bkg_ctl", 100, 40, 200) sigma_bkg_ctl = RooRealVar("sigma_bkg_ctl", "sigma_bkg_ctl", 15, 0.1, 20) px_ctl = RooGaussian("px_ctl", "px_ctl", x, mean_bkg_ctl, sigma_bkg_ctl) # Construct the composite model f_ctl = RooRealVar("f_ctl", "f_ctl", 0.5, 0., 20.) model_ctl = RooAddPdf("model_ctl", "model_ctl", RooArgList(gx_ctl, px_ctl), RooArgList(f_ctl)) # G e t e v e n t s f o r b o t h s a m p l e s # --------------------------------------------------------------- real_data, real_data_ctl = get_data() input_hists = MapStrRootPtr() input_hists.insert(StrHist("physics", real_data)) input_hists.insert(StrHist("control", real_data_ctl)) # C r e a t e i n d e x c a t e g o r y a n d j o i n s a m p l e s # --------------------------------------------------------------------------- # Define category to distinguish physics and control samples events sample = RooCategory("sample", "sample") sample.defineType("physics") sample.defineType("control") # Construct combined dataset in (x,sample) combData = RooDataHist("combData", "combined data", RooArgList(x), sample, input_hists) # C o n s t r u c t a s i m u l t a n e o u s p d f i n ( x , s a m p l e ) # ----------------------------------------------------------------------------------- # Construct a simultaneous pdf using category sample as index simPdf = RooSimultaneous("simPdf", "simultaneous pdf", sample) # Associate model with the physics state and model_ctl with the control state simPdf.addPdf(model, "physics") simPdf.addPdf(model_ctl, "control") # P e r f o r m a s i m u l t a n e o u s f i t # --------------------------------------------------- # Perform simultaneous fit of model to data and model_ctl to data_ctl simPdf.fitTo(combData) # P l o t m o d e l s l i c e s o n d a t a s l i c e s # ---------------------------------------------------------------- # Make a frame for the physics sample frame1 = x.frame(RooFit.Bins(30), RooFit.Title("Physics sample")) # Plot all data tagged as physics sample combData.plotOn(frame1, RooFit.Cut("sample==sample::physics")) # Plot "physics" slice of simultaneous pdf. # NBL You _must_ project the sample index category with data using ProjWData # as a RooSimultaneous makes no prediction on the shape in the index category # and can thus not be integrated simPdf.plotOn(frame1, RooFit.Slice(sample, "physics"), RooFit.ProjWData(RooArgSet(sample), combData)) simPdf.plotOn(frame1, RooFit.Slice(sample, "physics"), RooFit.Components("px"), RooFit.ProjWData(RooArgSet(sample), combData), RooFit.LineStyle(kDashed)) # The same plot for the control sample slice frame2 = x.frame(RooFit.Bins(30), RooFit.Title("Control sample")) combData.plotOn(frame2, RooFit.Cut("sample==sample::control")) simPdf.plotOn(frame2, RooFit.Slice(sample, "control"), RooFit.ProjWData(RooArgSet(sample), combData)) simPdf.plotOn(frame2, RooFit.Slice(sample, "control"), RooFit.Components("px_ctl"), RooFit.ProjWData(RooArgSet(sample), combData), RooFit.LineStyle(kDashed)) c = TCanvas("rf501_simultaneouspdf", "rf403_simultaneouspdf", 800, 400) c.Divide(2) c.cd(1) gPad.SetLeftMargin(0.15) frame1.GetYaxis().SetTitleOffset(1.4) frame1.Draw() c.cd(2) gPad.SetLeftMargin(0.15) frame2.GetYaxis().SetTitleOffset(1.4) frame2.Draw() raw_input()
def RooFitHist(inputhist, title='title', path='.'): # RooFit.gErrorIgnoreLevel = RooFit.kInfo # <6.02 # RooFit.SetSilentMode()# >6.02 # RooMsgService().instance().SetSilentMode(kTRUE) fitbinning = array('d') binwidth = 200 #NBins=(14000/binwidth) - ( (1040/binwidth) + 1 ) NBins = (14000 / binwidth) - ((1040 / binwidth) + 1) for i in range(NBins + 1): fitbinning.append(1050 + i * binwidth) # print(fitbinning) hist = inputhist.Rebin(NBins, "fit parameter", fitbinning) meanstart = hist.GetBinCenter(hist.GetMaximumBin()) sigmastart = hist.GetRMS() print('meanstart:', meanstart, 'sigmastart:', sigmastart) # inputhist.Draw() # hist.Draw() # hold=raw_input('press enter to exit.') gStyle.SetOptFit(1100) gStyle.SetOptTitle(0) RooFit.SumW2Error(kTRUE) mjj = RooRealVar('mjj', 'M_{jj-AK8}', fitbinning[0], fitbinning[len(fitbinning) - 1], 'GeV') mjjral = RooArgList(mjj) dh = RooDataHist('dh', 'dh', mjjral, RooFit.Import(hist)) shapes = {} #Gaussian gaussmean = RooRealVar('#mu_{gauss}', 'mass mean value', meanstart, 0, 2 * meanstart) gausssigma = RooRealVar('#sigma_{gauss}', 'mass resolution', sigmastart, 0, 2 * sigmastart) gauss = RooGaussian('gauss', 'gauss', mjj, gaussmean, gausssigma) shapes.update({'Gauss': gauss}) #CrystalBall mean = RooRealVar('#mu', 'mean', meanstart, 0, 2 * meanstart) sigma = RooRealVar('#sigma', 'sigma', sigmastart, 0, 2 * sigmastart) alpha = RooRealVar('#alpha', 'Gaussian tail', -1000, 0) n = RooRealVar('n', 'Normalization', -1000, 1000) cbshape = RooCBShape('cbshape', 'crystalball PDF', mjj, mean, sigma, alpha, n) shapes.update({'CrystalBall': cbshape}) #Voigt voigtmean = RooRealVar('#mu', 'mass mean value', meanstart, 0, 2 * meanstart) voigtwidth = RooRealVar('#gamma', 'width of voigt', 0, 5000) voigtsigma = RooRealVar('#sigma', 'mass resolution', sigmastart, 0, 2 * sigmastart) voigt = RooVoigtian('voigt', 'voigt', mjj, voigtmean, voigtwidth, voigtsigma) shapes.update({'Voigt': voigt}) #BreitWigner bwmean = RooRealVar('#mu', 'mass mean value', meanstart, 0, 2 * meanstart) bwwidth = RooRealVar('#sigma', 'width of bw', sigmastart, 0, 2 * sigmastart) bw = RooBreitWigner('bw', 'bw', mjj, bwmean, bwwidth) shapes.update({'BreitWigner': bw}) #Landau landaumean = RooRealVar('#mu_{landau}', 'mean landau', meanstart, 0, 2 * meanstart) landausigma = RooRealVar('#sigma_{landau}', 'mass resolution', sigmastart, 0, 2 * sigmastart) landau = RooLandau('landau', 'landau', mjj, landaumean, landausigma) shapes.update({'Landau': landau}) #LandauGauss Convolution landaugauss = RooFFTConvPdf('landaugauss', 'landau x gauss', mjj, landau, gauss) shapes.update({'LandauGauss': landaugauss}) #Logistics # logisticsmean=RooRealVar('#mu_{logistics}','mean logistics',meanstart,0,2*meanstart) # logisticssigma= RooRealVar('#sigma_{logistics}','mass resolution',sigmastart,0,2*sigmastart) # logistics=RooLogistics('logistics','logistics',mjj,logisticsmean,logisticssigma) # shapes.update({'Logistics':logistics}) #ExpAndGauss # expgaussmean=RooRealVar('#mu_{expgauss}','mean expgauss',meanstart,0,2*meanstart) # expgausssigma= RooRealVar('#sigma_{expgauss}','mass resolution',sigmastart,0,2*sigmastart) # expgausstrans= RooRealVar('trans','trans',0,100) # expgauss=RooExpAndGauss('expgauss','expgauss',mjj,expgaussmean,expgausssigma,expgausstrans) # shapes.update({'ExpAndGauss':expgauss}) #BifurGauss BifurGaussmean = RooRealVar('#mu_{BifurGauss}', 'mean BifurGauss', meanstart, 0, 2 * meanstart) BifurGausslsigma = RooRealVar('#sigma_{left}', 'mass resolution', sigmastart, 0, 2 * sigmastart) BifurGaussrsigma = RooRealVar('#sigma_{right}', 'mass resolution', sigmastart, 0, 2 * sigmastart) BifurGauss = RooBifurGauss('BifurGauss', 'BifurGauss', mjj, BifurGaussmean, BifurGausslsigma, BifurGaussrsigma) shapes.update({'BifurGauss': BifurGauss}) #Chebychev Chebychev1 = RooRealVar('c0', 'Chebychev0', -1000, 1000) Chebychev2 = RooRealVar('c1', 'Chebychev1', -1000, 1000) Chebychev3 = RooRealVar('c2', 'Chebychev2', 2, -1000, 1000) Chebychev = RooChebychev('Chebychev', 'Chebychev', mjj, RooArgList(Chebychev1, Chebychev2, Chebychev3)) shapes.update({'Chebychev': Chebychev}) #Polynomial Polynomial1 = RooRealVar('Polynomial1', 'Polynomial1', 100, 0, 1000) Polynomial2 = RooRealVar('Polynomial2', 'Polynomial2', 100, 0, 1000) Polynomial = RooPolynomial('Polynomial', 'Polynomial', mjj, RooArgList(Polynomial1, Polynomial2)) shapes.update({'Polynomial': Polynomial}) # mjj.setRange("FitRange",1050.,14000.) # for fname in ['Gauss','Logistics','BifurGauss']: for fname in ['BifurGauss']: plottitle = '%s Fit of %s' % (fname, title) shape = shapes[fname] # shape.fitTo(dh,RooFit.Range("FitRange"),RooFit.SumW2Error(True)) shape.fitTo(dh, RooFit.SumW2Error(True)) frame = mjj.frame(RooFit.Title(plottitle)) frame.GetYaxis().SetTitleOffset(2) dh.plotOn(frame, RooFit.MarkerStyle(4)) shape.plotOn(frame, RooFit.LineColor(2)) ndof = dh.numEntries() - 3 #chiSquare legend chi2 = frame.chiSquare() probChi2 = TMath.Prob(chi2 * ndof, ndof) chi2 = round(chi2, 2) probChi2 = round(probChi2, 2) leg = TLegend(0.5, 0.5, 0.9, 0.65) leg.SetBorderSize(0) leg.SetFillStyle(0) shape.paramOn(frame, RooFit.Layout(0.5, 0.9, 0.9)) leg.AddEntry(0, '#chi^{2} =' + str(chi2), '') leg.AddEntry(0, 'Prob #chi^{2} = ' + str(probChi2), '') leg.SetTextSize(0.04) frame.addObject(leg) canv = TCanvas(plottitle, plottitle, 700, 700) canv.SetLogy() canv.SetLeftMargin(0.20) canv.cd() frame.SetMinimum(10**(-3)) frame.Draw() canv.Print(path + '/%s__%s.eps' % (title, fname)) return chi2
def resolution(): #relative energy resolution #ALICE PHOS has 3% in 0.2 - 10 GeV, PHOS TDR page 113 (127) emin = -0.4 emax = 0.4 ebin = 0.01 #reconstruct the energy from detected optical photons gRec = rec(False) #construct the relative energy resolution nbins, emax = ut.get_nbins(ebin, emin, emax) hRes = ut.prepare_TH1D_n("hRes", nbins, emin, emax) egen = rt.Double() erec = rt.Double() for i in xrange(gRec.GetN()): gRec.GetPoint(i, egen, erec) hRes.Fill( (erec-egen)/egen ) #fit the resolution with Breit-Wigner pdf x = RooRealVar("x", "x", -0.5, 0.5) x.setRange("fitran", -0.21, 0.21) rfRes = RooDataHist("rfRes", "rfRes", RooArgList(x), hRes) #Breit-Wigner pdf mean = RooRealVar("mean", "mean", 0., -0.1, 0.1) sigma = RooRealVar("sigma", "sigma", 0.01, 0., 0.9) bwpdf = RooBreitWigner("bwpdf", "bwpdf", x, mean, sigma) rfres = bwpdf.fitTo(rfRes, rf.Range("fitran"), rf.Save()) #log the results to a file out = open("out.txt", "w") out.write(ut.log_fit_result(rfres)) #plot the resolution can = ut.box_canvas() frame = x.frame(rf.Bins(nbins), rf.Title("")) frame.SetTitle("") frame.SetXTitle("Relative energy resolution (#it{E}_{rec}-#it{E}_{gen})/#it{E}_{gen}") frame.GetXaxis().SetTitleOffset(1.4) frame.GetYaxis().SetTitleOffset(1.6) ut.set_margin_lbtr(gPad, 0.11, 0.1, 0.01, 0.03) rfRes.plotOn(frame, rf.Name("data")) bwpdf.plotOn(frame, rf.Precision(1e-6), rf.Name("bwpdf")) frame.Draw() leg = ut.prepare_leg(0.65, 0.78, 0.28, 0.15, 0.035) leg.SetMargin(0.17) hx = ut.prepare_TH1D("hx", 1, 0, 1) hx.Draw("same") leg.AddEntry(hx, "#frac{#it{E}_{rec} - #it{E}_{gen}}{#it{E}_{gen}}") lx = ut.col_lin(rt.kBlue) leg.AddEntry(lx, "Breit-Wigner fit", "l") leg.Draw("same") #fit parameters on the plot desc = pdesc(frame, 0.67, 0.7, 0.05); #x, y, sep #desc.set_text_size(0.03) desc.itemD("#chi^{2}/ndf", frame.chiSquare("bwpdf", "data", 2), -1, rt.kBlue) desc.prec = 4 desc.itemR("mean", mean, rt.kBlue) desc.itemR("#sigma", sigma, rt.kBlue) desc.draw() #ut.invert_col(rt.gPad) can.SaveAs("01fig.pdf")
fsig = RooRealVar('fsig', 'fsig', 0.5, 0., 1.) signal = RooAddPdf('signal', 'signal', sig, bkg, fsig) # ----------------------------------------- # fit signal canSname = 'can_Mjj' + str(mass) canS = TCanvas(canSname, canSname, 900, 600) gPad.SetLogy() roohistSig = RooDataHist('roohist', 'roohist', RooArgList(x), hSig) roohistSig.Print() res_sig = signal.fitTo(roohistSig, RooFit.Save(ROOT.kTRUE)) res_sig.Print() frame = x.frame() roohistSig.plotOn(frame, RooFit.Binning(166)) signal.plotOn(frame) signal.plotOn(frame, RooFit.Components('bkg'), RooFit.LineColor(ROOT.kRed), RooFit.LineWidth(2), RooFit.LineStyle(ROOT.kDashed)) #frame.GetXaxis().SetRangeUser(1118,6099) frame.GetXaxis().SetRangeUser(minX_mass, maxX_mass) frame.GetXaxis().SetTitle('m_{jj} (GeV)') frame.Draw() parsSig = signal.getParameters(roohistSig) parsSig.setAttribAll('Constant', True) if histpdfSig: # ----------------------------------------- # hist pdf signal
nsigrefW=RooRealVar("nsigrefW"+name,"number of signal W events",sigWhist.Integral(),0,10*sigWhist.Integral()) nsigrefZ=RooRealVar("nsigrefZ"+name,"number of signal Z events",sigZhist.Integral(),0,10*sigZhist.Integral()) sigWfrac=RooRealVar("sigWfrac"+name,"fraction of W in signal",0.5,0,1.0) sig=RooAddPdf("sig"+name,"sig"+name,sigW,sigZ,sigWfrac) ; sigmodel=RooAddPdf("sigmodel"+name,"sig+sigbkg",RooArgList(sigbkg,sig),RooArgList(nsigbkg,nsigref)) meanW.setConstant(False) meanWZ.setConstant(False) widthWZ.setConstant(False) sigWfrac.setConstant(False) sigmodelW=RooAddPdf("sigmodelW"+name,"sigW",RooArgList(sigbkg,sigW),RooArgList(nsigbkg,nsigrefW)) sigmodelW.fitTo(signalW,RooFit.SumW2Error(True)) sigmodelW.fitTo(signalW,RooFit.SumW2Error(True)) sigmodelW.fitTo(signalW,RooFit.SumW2Error(True)) xframe=mass.frame(RooFit.Title(" m="+str(int((meanW.getValV())*1000.)/1000.)+"#pm"+str(int(meanW.getError()*1000.)/1000.)+" GeV")) signalW.plotOn(xframe,RooFit.DataError(RooAbsData.SumW2)) sigmodelW.plotOn(xframe,RooFit.Normalization(1.0,RooAbsReal.RelativeExpected)) canvas=TCanvas("c3","c3",0,0,600,600) xframe.GetYaxis().SetTitle("Events") xframe.Draw() canvas.SaveAs(prefix+"_"+plot[0]+name+"_sigWfit.pdf") meanW.setConstant(True) widthWZ.setConstant(True) sigmodelZ=RooAddPdf("sigmodelZ"+name,"sigZ",RooArgList(sigbkg,sigZ),RooArgList(nsigbkg,nsigrefZ)) sigmodelZ.fitTo(signalZ,RooFit.SumW2Error(True)) sigmodelZ.fitTo(signalZ,RooFit.SumW2Error(True)) sigmodelZ.fitTo(signalZ,RooFit.SumW2Error(True)) xframe=mass.frame(RooFit.Title(" #Delta m="+str(int((meanWZ.getValV())*1000.)/1000.)+"#pm"+str(int(meanWZ.getError()*1000.)/1000.)+" GeV")) signalZ.plotOn(xframe,RooFit.DataError(RooAbsData.SumW2)) sigmodelZ.plotOn(xframe,RooFit.Normalization(1.0,RooAbsReal.RelativeExpected)) canvas=TCanvas("c3","c3",0,0,600,600)