Esempio n. 1
0
	def fit(self, save_to, signal_name=None, fix_p3=False, fit_range=[300., 1200.], fit_strategy=1):
		# Run a RooFit fit

		# Create background PDF
		p1 = RooRealVar('p1','p1',args.p1,0.,100.)
		p2 = RooRealVar('p2','p2',args.p2,0.,60.)
		p3 = RooRealVar('p3','p3',args.p3,-10.,10.)
		if args.fix_p3:
			p3.setConstant()
		background_pdf = RooGenericPdf('background_pdf','(pow(1-@0/%.1f,@1)/pow(@0/%.1f,@2+@3*log(@0/%.1f)))'%(self.collision_energy,self.collision_energy,self.collision_energy),RooArgList(self.mjj_,p1,p2,p3))
		background_pdf.Print()
		data_integral = data_histogram.Integral(data_histogram.GetXaxis().FindBin(float(fit_range[0])),data_histogram.GetXaxis().FindBin(float(fit_range[1])))
		background_norm = RooRealVar('background_norm','background_norm',data_integral,0.,1e+08)
		background_norm.Print()

		# Create signal PDF and fit model
		if signal_name:
			signal_pdf = RooHistPdf('signal_pdf', 'signal_pdf', RooArgSet(self.mjj_), self.signal_roohistograms_[signal_name])
			signal_pdf.Print()
			signal_norm = RooRealVar('signal_norm','signal_norm',0,-1e+05,1e+05)
			signal_norm.Print()
			model = RooAddPdf("model","s+b",RooArgList(background_pdf,signal_pdf),RooArgList(background_norm,signal_norm))
		else:
			model = RooAddPdf("model","b",RooArgList(background_pdf),RooArgList(background_norm))

		# Run fit
		res = model.fitTo(data_, RooFit.Save(kTRUE), RooFit.Strategy(fit_strategy))

		# Save to workspace
		self.workspace_ = RooWorkspace('w','workspace')
		#getattr(w,'import')(background,ROOT.RooCmdArg())
		getattr(self.workspace_,'import')(background_pdf,RooFit.Rename("background"))
		getattr(self.workspace_,'import')(background_norm,ROOT.RooCmdArg())
		getattr(self.workspace_,'import')(self.data_roohistogram_,RooFit.Rename("data_obs"))
		getattr(self.workspace_, 'import')(model, RooFit.Rename("model"))
		if signal_name:
			getattr(self.workspace_,'import')(signal_roohistogram,RooFit.Rename("signal"))
			getattr(self.workspace_,'import')(signal_pdf,RooFit.Rename("signal_pdf"))
			getattr(self.workspace_,'import')(signal_norm,ROOT.RooCmdArg())
	
		self.workspace_.Print()
		self.workspace_.writeToFile(save_to)
		if signal_name:
			roofit_results[signal_name] = save_to
		else:
			roofit_results["background"] = save_to
Esempio n. 2
0
def main():
    global beamEnergy
    # Parse all command line arguments using the argparse module.
    parser = argparse.ArgumentParser(
        description='PyRoot analysis demostrating the us of a DST.')
    parser.add_argument("dst_file", help="ROOT DST file to process")
    parser.add_argument("-o", "--output", help="Name of output pdf file")
    parser.add_argument("-m", "--mc", help="is MonteCarlo")
    parser.add_argument("-p", "--pulser", help="is Pulser")
    parser.add_argument("-e", "--energy", help="beam energy")
    args = parser.parse_args()

    # If an output file name was not specified, set a default name and warn
    # the user
    if args.output:
        output_file = args.output
    else:
        output_file = "analysis_output.root"
        print "[ HPS ANALYSIS ]: An output file name was not specified. Setting the name to "
        print output_file

    print "[ HPS ANALYSIS ]:  Output file is " + output_file
    isMC = False
    if args.mc:
        print "[ HPS ANALYSIS ]: Setting to run as MC"
        isMC = True

    isPulser = False
    if args.pulser:
        print "[ HPS ANALYSIS ]: Setting to run from a pulser file"
        isPulser = True

    if args.energy:
        print 'Setting beam energy to ' + args.energy
        beamEnergy = float(args.energy)
        myhist.setEnergyScales(beamEnergy)

#################################
#       Event Selection
################################
#clean up event first
#### nominal selection
    nTrkMax = 10
    nTrkMin = 2
    nPosMax = 3
    ######  two tracks (e+/e-) exactly
    #    nTrkMax=2
    #    nTrkMin=2
    #    nPosMax=1
    ###### more than 1 electron
    #    nTrkMax=10
    #    nTrkMin=3
    #    nPosMax=1
    ###################
    #v0 cuts
    v0Chi2 = 10
    #ESum -- full region
    v0PzMax = 1.2 * beamEnergy
    v0PzMin = 0.55 * beamEnergy
    #ESum -- Radiative region
    #    v0PzMax=1.2
    #    v0PzMin=0.80

    v0PyMax = 0.2  #absolute value
    v0PxMax = 0.2  #absolute value
    v0VzMax = 25.0  # mm from target
    v0VyMax = 1.0  # mm from target
    v0VxMax = 2.0  # mm from target
    #  track quality cuts
    trkChi2 = 10
    beamCut = 0.8 * beamEnergy
    minPCut = 0.05
    trkPyMax = 0.2
    trkPxMax = 0.2
    #    slopeCut=0.03
    slopeCut = 0.0
    trkDeltaT = 4  #ns
    cluDeltaT = 2  #ns
    cluTrkDeltaT = 4  #ns
    ##############
    #  ESum slices; upper limits
    nSlicesESum = 5
    esumMin = 0.55
    esumMax = 1.2
    sliceSizeESum = 0.1  #100MeV starting at esumMin
    ##############
    trackKiller = False
    tkThreshold = 0.5  #GeV, below this start killing tracks
    tkThreshEff = 1.0
    tkLowPoint = 0.20
    tkLowPointEff = 0.40
    #    tkSlope=2.6
    #    tkIntercept=-0.04
    #calculate tkSlope and Intercept
    tkSlope = (tkThreshEff - tkLowPointEff) / (tkThreshold - tkLowPoint)
    tkIntercept = tkThreshEff - tkSlope * tkThreshold

    ##############
    requireECalMatch = True
    requireECalFiducial = False
    requireECalSuperFiducial = False
    useGBL = True

    # Open the ROOT file
    #    root_file = ROOT.TFile(str(args.dst_file))
    # Get the TTree "HPS_EVENT" containing the HpsEvent branch and all
    # other colletions
    #    tree = root_file.Get("HPS_Event")
    #use a TChain
    print "[ HPS ANALYSIS ]: Reading in root chain from " + args.dst_file
    tree = ROOT.TChain("HPS_Event")
    tree.Add(str(args.dst_file) + "*")
    # Create an HpsEvent object in order to read the TClonesArray
    # collections
    hps_event = HpsEvent()

    b_hps_event = tree.SetBranchAddress("Event", ROOT.AddressOf(hps_event))

    #--- Analysis ---#
    #----------------#

    #counters
    nEvents = 0
    nPassBasicCuts = 0
    nPassV0Cuts = 0
    nPassTrkCuts = 0
    nPassNCand = 0
    nPassECalMatch = 0
    nFakeTri = 0

    if 1 == 0:
        extraElectronProb = 0.0
        dataNele = 170.0
        btNele = 1.4
        hf = ROOT.TFile(
            "OutputHistograms/Data/hps_005772_pass6_useGBL_ECalMatch_SuperFiducialCut.root"
        )
        hfMC = ROOT.TFile(
            "OutputHistograms/MC/beam-tri_HPS-EngRun2015-Nominal-v4-4_pass6_useGBL_ECalMatch_SuperFiducialCut.root"
        )
        pele = ROOT.RooRealVar("pele", "pele", 0, 1)
        peleHist = hf.Get("raweleMom")
        peleMCHist = hfMC.Get("raweleMom")
        peleHist.Scale(1 / dataNele)
        peleMCHist.Scale(1 / btNele)
        peleHist.Add(
            peleMCHist, -1.0
        )  #subtract the MC from the data to get the distribution of extra tracks...this is cheating!
        for i in xrange(0, peleHist.GetNbinsX()):
            print "Electron Momentum bin i = " + str(peleHist.GetBinContent(i))
            if peleHist.GetBinContent(i) < 0:
                peleHist.SetBinContent(i, 0)
        peleHist.Print("V")
        peleDH = RooDataHist("peleDH", "peleDH", ROOT.RooArgList(pele),
                             peleHist)
        peleDH.Print("V")
        extraElectronPdf = RooHistPdf("extraElectronPdf", "extraElectronPdf",
                                      ROOT.RooArgSet(pele), peleDH)
        print 'pdf is made...printing info'
        extraElectronPdf.Print("V")
        #    if isMC and random.random()<extraElectronProb :
        #add an extra electron based on electron momentum
        print 'generating events'
        newElePData = extraElectronPdf.generate(ROOT.RooArgSet(pele),
                                                1000000.0, True, False)
        newElePData.Print("V")

    seedCnt = 0
    # Loop over all events in the file
    for entry in xrange(0, tree.GetEntries()):

        # Print the event number every 500 events
        if (entry + 1) % 10000 == 0: print "Event " + str(entry + 1)
        tree.GetEntry(entry)
        if not hps_event.isPair1Trigger() and not isMC and not isPulser:
            continue
        nEvents += 1
        addFakeEle = False
        if 1 == 0:
            if isMC and random.random() < extraElectronProb:
                #add an extra electron based on electron momentum
                addFakeEle = True
                newEleP = newElePData.get(seedCnt).find("pele").getVal()
                seedCnt = seedCnt + 1
                #            print 'Inserting an electron with momentum = '+str(newEleP)
                #            newEleCluster=hps_event.addEcalCluster();
                #            newEleTrack=hps_event.addTrack();
                #            print 'numbe of HpsParticles before = '+str(hps_event.getNumberOfParticles(HpsParticle.FINAL_STATE_PARTICLE))
                #            newEle=hps_event.addParticle(HpsParticle.FINAL_STATE_PARTICLE)
                #            print 'numbe of HpsParticles after = '+str(hps_event.getNumberOfParticles(HpsParticle.FINAL_STATE_PARTICLE))
                newEle = HpsParticle()
                newEle.setCharge(-1)
                newEle.setPDG(11)
                newEle.setEnergy(newEleP)
                sign = 1
                if random.random() < 0.5:
                    sign = -1
                newEleMom = [
                    math.sin(0.03) * newEleP, sign * math.sin(0.04) * newEleP,
                    math.cos(0.04) * newEleP
                ]
                newEle.setMomentum(np.array(newEleMom))
                #fake track info
                newEleTrack = SvtTrack()
                newEleTrack.setTrackParameters(0.0, 0.03, 0.0001, sign * 0.04,
                                               0.0)
                newEleTrack.setTrackTime(40.0)
                newEleTrack.setParticle(newEle)
                newEleTrack.setChi2(3.0)
                newEleTrack.setPositionAtEcal(
                    np.array([300.0, sign * 50.0, 1350.0]))
                #fake cluster info
                newEleCluster = EcalCluster()
                newEleCluster.setEnergy(newEleP)
                foobar = [300.0, sign * 50.0, 1350.0]
                newEleCluster.setPosition(np.array(foobar, dtype='float32'))
                newEle.addTrack(newEleTrack)
                newEle.addCluster(newEleCluster)
#            print 'fake electron cluster x ' + str(newEle.getClusters().First().getPosition()[0])

# Loop over all tracks in the event
        npositrons = 0
        n_tracks = 0
        for track_n in xrange(0, hps_event.getNumberOfTracks()):
            track = hps_event.getTrack(track_n)
            if track is None:
                continue
#            if useGBL and track.getParticle().getType()<32  : continue
#            if not useGBL and track.getParticle().getType()>31  : continue
            if trkMatchAndFiducial(
                    track.getParticle(),
                    requireECalSuperFiducial) and trkMomentum(
                        track, minPCut, beamCut
                    ):  # count only matched tracks in defined fiducial region
                n_tracks += 1
                if track.getCharge() > 0:
                    npositrons += 1
                    myhist.rawposMom.Fill(pMag(track.getMomentum()))
                else:
                    myhist.raweleMom.Fill(pMag(track.getMomentum()))
#                    findWABPair(track.getParticle(),hps_event)

        if addFakeEle:
            myhist.raweleMom.Fill(newEle.getEnergy())
            n_tracks = n_tracks + 1
#        print "nTracks = "+str(n_tracks)+"; nPositrons = "+str(npositrons)
#        if n_tracks/2.0>nTrkMax : continue   #do this very dumb thing (divide by 2 to un-double count GBL tracks)
#        if n_tracks/2.0<2:  continue
        myhist.nTrk.Fill(n_tracks)
        myhist.nPos.Fill(npositrons)
        myhist.nEle.Fill(n_tracks - npositrons)
        myhist.nClust.Fill(hps_event.getNumberOfEcalClusters())

        if n_tracks > nTrkMax: continue
        if n_tracks < nTrkMin: continue
        if npositrons < 1 or npositrons > nPosMax: continue
        nPassBasicCuts += 1
        #        print "passed basic cuts"
        candidateList = []
        bestCandidate = -99
        nCandidate = 0
        # loop over all v0 candidates...
        for uc_index in xrange(
                0,
                hps_event.getNumberOfParticles(HpsParticle.UC_V0_CANDIDATE)):
            particle = hps_event.getParticle(HpsParticle.UC_V0_CANDIDATE,
                                             uc_index)
            if useGBL and particle.getType() < 32: continue
            if not useGBL and particle.getType() > 31: continue
            #            print "found one..."
            vchi2 = particle.getVertexFitChi2()
            vposition = particle.getVertexPosition()
            vmomentum = particle.getMomentum()
            if vchi2 > v0Chi2: continue
            # use the measured sum of momentum
            #            if vmomentum[2]>v0PzMax : continue
            #            if vmomentum[2]<v0PzMin : continue
            #recon'ed vertex position cuts
            if abs(vposition[0]) > v0VxMax: continue
            if abs(vposition[1]) > v0VyMax: continue

            #            if abs(vposition[2])>v0VzMax :continue
            # Only look at particles that have two daugther particles...
            daughter_particles = particle.getParticles()
            if daughter_particles.GetSize() != 2: continue
            # Only look at particles that are composed of e+e- pairs
            if daughter_particles.At(0).getCharge() * daughter_particles.At(
                    1).getCharge() > 0:
                continue
            #            print "Passed daughter number cuts"

            electron = daughter_particles.At(0)
            positron = daughter_particles.At(1)

            if daughter_particles.At(0).getCharge() > 0:
                electron = daughter_particles.At(1)
                positron = daughter_particles.At(0)

            pEle = electron.getMomentum()
            pPos = positron.getMomentum()

            v0Sum = pMag(pSum(pEle, pPos))
            #total momentum sum cuts
            if v0Sum > v0PzMax: continue
            if v0Sum < v0PzMin: continue
            nPassV0Cuts += 1
            #            print "Passed v0 cuts"
            #############   tracking cuts
            #momentum cuts...get rid of very soft or very hard tracks
            if pMag(pEle) > beamCut or pMag(pPos) > beamCut: continue
            if pMag(pEle) < minPCut or pMag(pPos) < minPCut: continue
            #top+bottom requirement
            if pEle[1] * pPos[1] > 0: continue

            #            print 'looking at tracks now'
            #            print len(electron.getTracks())

            if len(electron.getTracks()) == 0 or len(
                    positron.getTracks()) == 0:
                continue
            eleTrk = electron.getTracks().At(0)
            posTrk = positron.getTracks().At(0)
            if eleTrk is None or posTrk is None: continue
            #            eleTrk.Print("v")
            #track timing
            if eleTrk.getTrackTime() - posTrk.getTrackTime() > trkDeltaT:
                continue
            #track slope (if any cut)
            if abs(eleTrk.getTanLambda()) < slopeCut or abs(
                    posTrk.getTanLambda()) < slopeCut:
                continue
#            print 'satisfied timing cuts...'
##############
# track killer part
            if isMC and trackKiller:
                if pMag(pEle) < tkThreshold:  #electron
                    tkEff = tkSlope * pMag(pEle) + tkIntercept
                    if random.random() > tkEff:
                        continue
                elif random.random(
                ) > tkThreshEff:  #allow for a flat killer above threshold
                    continue
                if pMag(pPos) < tkThreshold:  # positron
                    tkEff = tkSlope * pMag(pPos) + tkIntercept
                    if random.random() > tkEff:
                        continue
                elif random.random(
                ) > tkThreshEff:  #allow for a flat killer above threshold
                    continue
            #  end of track killer
            ##############
            nPassTrkCuts += 1

            ##############
            #   ECAL matching and timing cuts...also fiducial region cuts...
            if requireECalMatch:
                if positron.getClusters().GetEntries() == 0:
                    continue
                if electron.getClusters().GetEntries() == 0:
                    continue
                posCluster = positron.getClusters().First()
                eleCluster = electron.getClusters().First()

                if eleCluster.getClusterTime() - posCluster.getClusterTime(
                ) > cluDeltaT:
                    continue

                if eleTrk.getTrackTime() - eleCluster.getClusterTime(
                ) + 43.5 > cluTrkDeltaT:
                    continue

                if posTrk.getTrackTime() - posCluster.getClusterTime(
                ) + 43.5 > cluTrkDeltaT:
                    continue

                if requireECalFiducial:
                    #ANTI-fiducial cut
                    #                    if  myhist.inFiducialRegion(posCluster.getPosition()[0],posCluster.getPosition()[1]) :
                    #                        continue
                    #                    if  myhist.inFiducialRegion(eleCluster.getPosition()[0],eleCluster.getPosition()[1]) :
                    #                        continue
                    #Fiducial cut
                    if not myhist.inFiducialRegion(
                            posCluster.getPosition()[0],
                            posCluster.getPosition()[1]):
                        continue
                    if not myhist.inFiducialRegion(
                            eleCluster.getPosition()[0],
                            eleCluster.getPosition()[1]):
                        continue
                if requireECalSuperFiducial:
                    if not myhist.inSuperFiducialRegion(
                            posCluster.getPosition()[0],
                            posCluster.getPosition()[1]):
                        continue
                    if not myhist.inSuperFiducialRegion(
                            eleCluster.getPosition()[0],
                            eleCluster.getPosition()[1]):
                        continue
            nPassECalMatch += 1
            ##############
            #Passed the cuts..append the candidate index
            findWABPair(electron, hps_event)
            candidateList.append(uc_index)

        numCands = len(candidateList)
        if addFakeEle:
            for track_n in xrange(0, hps_event.getNumberOfTracks()):
                track = hps_event.getTrack(track_n)
                if track is None:
                    continue
                if trkMatchAndFiducial(track.getParticle()) and trkMomentum(
                        track, minPCut, beamCut
                ) and track.getCharge > 0 and newEle.getMomentum(
                )[1] * track.getMomentum(
                )[1] < 0:  # get positron in fudicial region; make sure it's in opposite quadrant
                    myhist.eSum.Fill(newEle.getEnergy() +
                                     pMag(track.getMomentum()))
                    numCands += 1
                    if len(candidateList) == 0:
                        #                        print 'made a new trident event'
                        nFakeTri += 1

        myhist.nCand.Fill(numCands)

        #########################
        #   found some candidates...lets fill plots...
        #########################
        for index in range(0, len(candidateList)):
            particle = hps_event.getParticle(HpsParticle.TC_V0_CANDIDATE,
                                             candidateList[index])
            myhist.fillCandidateHistograms(particle)
            myhist.nTrkCand.Fill(n_tracks)
            myhist.nPosCand.Fill(npositrons)
            myhist.nEleCand.Fill(n_tracks - npositrons)
            myhist.nClustCand.Fill(hps_event.getNumberOfEcalClusters())

#    if(nPassTrkCuts>0):
    myhist.saveHistograms(output_file)

    print "******************************************************************************************"
    print "Number of Events:\t\t", nEvents, "\t\t\t", float(
        nEvents) / nEvents, "\t\t\t", float(nEvents) / nEvents
    print "N(particle) Cuts:\t\t", nPassBasicCuts, "\t\t\t", float(
        nPassBasicCuts) / nEvents, "\t\t\t", float(nPassBasicCuts) / nEvents
    print "V0 Vertex   Cuts:\t\t", nPassV0Cuts, "\t\t\t", float(
        nPassV0Cuts) / nPassBasicCuts, "\t\t\t", float(nPassV0Cuts) / nEvents
    print "Tracking    Cuts:\t\t", nPassTrkCuts, "\t\t\t", float(
        nPassTrkCuts) / nPassV0Cuts, "\t\t\t", float(nPassTrkCuts) / nEvents
    print "ECal Match  Cuts:\t\t", nPassECalMatch, "\t\t\t", float(
        nPassECalMatch) / nPassTrkCuts, "\t\t\t", float(
            nPassECalMatch) / nEvents

    print "Number of Fake Events Added:  \t\t", nFakeTri, "\t\t\t", float(
        nFakeTri) / nPassECalMatch
Esempio n. 3
0
def shapeCards( process, isData, datahistosFile, histosFile, signalHistosFile, signalSample, hist, signalMass, minMass, maxMass, jesValue, jerValue, lumiUnc, outputName ):
	"""function to run Roofit and save workspace for RooStats"""
	warnings.filterwarnings( action='ignore', category=RuntimeWarning, message='.*class stack<RooAbsArg\*,deque<RooAbsArg\*> >' )
	
	hSignal = signalHistosFile.Get(hist+'_'+signalSample)
	hSignal.Rebin(10)
	htmpSignal = hSignal.Clone()
	#htmpSignal.Scale(100)
	signalXS = search(dictXS, 'RPVStopStopToJets_UDD312_M-'+str(signalMass) )
	#hSignal.Scale( lumi*signalXS / hSignal.Integral())

	massAve = RooRealVar( 'massAve', 'massAve', minMass, maxMass  )
	rooSigHist = RooDataHist( 'rooSigHist', 'rooSigHist', RooArgList(massAve), hSignal )
	rooSigHist.Print()

	signal = RooHistPdf('signal','signal',RooArgSet(massAve),rooSigHist)
        signal.Print()
        signal_norm = RooRealVar('signal_norm','signal_norm',0,-1e+04,1e+04)
        #if args.fitBonly: signal_norm.setConstant()
        signal_norm.Print()

	hBkg = datahistosFile.Get('massAve_prunedMassAsymVsdeltaEtaDijet_DATA_ABCDProj')
	#hBkg = histosFile.Get(hist+'_QCDPtAll_BCD')
	bkgAcc = round(hBkg.Integral( hBkg.GetXaxis().FindBin( minMass ), hBkg.GetXaxis().FindBin( maxMass )))
	#hBkg.Scale(1/hBkg.Integral())
	hPseudo = hBkg.Clone()
	hPseudo.Reset()
        #background_norm = RooRealVar('background_norm','background_norm',bkgAcc,0.,1e+07)
        background_norm = RooRealVar('background_norm','background_norm',1.,0.,1e+07)
        background_norm.Print()

	if 'template' in process:
		rooBkgHist = RooDataHist( 'rooBkgHist', 'rooBkgHist', RooArgList(massAve), hBkg )
		rooBkgHist.Print()
		background = RooHistPdf('background','background',RooArgSet(massAve),rooBkgHist)
		background.Print()

	else:
		p1 = RooRealVar('p1','p1', 1 ,0.,100.)
		p2 = RooRealVar('p2','p2', 1 ,0.,60.)
		p3 = RooRealVar('p3','p3', 1 , -10.,10.)

		background = RooGenericPdf('background','(pow(1-@0/%.1f,@1)/pow(@0/%.1f,@2+@3*log(@0/%.1f)))'%(1300,1300,1300),RooArgList(massAve,p1,p2,p3))
		background.Print()
		### S+B model

	if not isData:
		newNumEvents = random.randint( bkgAcc-round(TMath.Sqrt(bkgAcc)), bkgAcc+round(TMath.Sqrt(bkgAcc)) )
		print 'Events in MC:', bkgAcc, ', in PseudoExperiment:', newNumEvents
		hPseudo.FillRandom( hBkg, newNumEvents ) 
		#hPseudo.Scale(1/hPseudo.Integral())

	#hData = histosFile.Get('massAve_prunedMassAsymVsdeltaEtaDijet_ABCDProj')
	hData = datahistosFile.Get('massAve_prunedMassAsymVsdeltaEtaDijet_DATA_ABCDProj')
	#hData = histosFile.Get(hist+'_QCDPtAll_A')
	#hData.Add(htmpSignal)
	#hData.Scale(1/hData.Integral())
        rooDataHist = RooDataHist('rooDatahist','rooDatahist',RooArgList(massAve), hData if isData else hPseudo )
        rooDataHist.Print()

	#model = RooAddPdf("model","s+b",RooArgList(background,signal),RooArgList(background_norm,signal_norm))
	#res = model.fitTo(rooDataHist, RooFit.Save(kTRUE), RooFit.Strategy(0))
	#res.Print()

	############# JES and JER uncertainties
        hSigSyst = {}
        hSigSystDataHist = {}
        signalCDF = TGraph(hSignal.GetNbinsX()+1)

        # JES and JER uncertainties
	if args.jesUnc or args.jerUnc:
		signalCDF.SetPoint(0,0.,0.)
		integral = 0.
		for i in range(1, hSignal.GetNbinsX()+1):
			x = hSignal.GetXaxis().GetBinLowEdge(i+1)
			integral = integral + hSignal.GetBinContent(i)
			signalCDF.SetPoint(i,x,integral)

		if args.jesUnc:
			print ' |---> Adding JES'
			hSigSyst['JESUp'] = hSignal.Clone()
			hSigSyst['JESDown'] = hSignal.Clone()

		if args.jerUnc:
			print ' |---> Adding JER'
			hSigSyst['JERUp'] = hSignal.Clone()
			hSigSyst['JERDown'] = hSignal.Clone()

        # reset signal histograms
        for key in hSigSyst:
		hSigSyst[key].Reset()
		hSigSyst[key].SetName(hSigSyst[key].GetName() + '_' + key)

        # produce JES signal shapes
        if args.jesUnc:
		for q in range(1, hSignal.GetNbinsX()+1):
			xLow = hSignal.GetXaxis().GetBinLowEdge(q)
			xUp = hSignal.GetXaxis().GetBinLowEdge(q+1)
			jes = 1. - jesValue
			xLowPrime = jes*xLow
			xUpPrime = jes*xUp
			hSigSyst['JESUp'].SetBinContent(q, signalCDF.Eval(xUpPrime) - signalCDF.Eval(xLowPrime))
			jes = 1. + jesValue
			xLowPrime = jes*xLow
			xUpPrime = jes*xUp
			hSigSyst['JESDown'].SetBinContent(q, signalCDF.Eval(xUpPrime) - signalCDF.Eval(xLowPrime))
		hSigSystDataHist['JESUp'] = RooDataHist('hSignalJESUp','hSignalJESUp',RooArgList(massAve),hSigSyst['JESUp'])
		hSigSystDataHist['JESDown'] = RooDataHist('hSignalJESDown','hSignalJESDown',RooArgList(massAve),hSigSyst['JESDown'])

        # produce JER signal shapes
	if args.jerUnc:
		for i in range(1, hSignal.GetNbinsX()+1):
			xLow = hSignal.GetXaxis().GetBinLowEdge(i)
			xUp = hSignal.GetXaxis().GetBinLowEdge(i+1)
			jer = 1. - jerValue
			xLowPrime = jer*(xLow-float(signalMass))+float(signalMass)
			xUpPrime = jer*(xUp-float(signalMass))+float(signalMass)
			hSigSyst['JERUp'].SetBinContent(i, signalCDF.Eval(xUpPrime) - signalCDF.Eval(xLowPrime))
			jer = 1. + jerValue
			xLowPrime = jer*(xLow-float(signalMass))+float(signalMass)
			xUpPrime = jer*(xUp-float(signalMass))+float(signalMass)
			hSigSyst['JERDown'].SetBinContent(i, signalCDF.Eval(xUpPrime) - signalCDF.Eval(xLowPrime))
		hSigSystDataHist['JERUp'] = RooDataHist('hSignalJERUp','hSignalJERUp',RooArgList(massAve),hSigSyst['JERUp'])
		hSigSystDataHist['JERDown'] = RooDataHist('hSignalJERDown','hSignalJERDown',RooArgList(massAve),hSigSyst['JERDown'])

	myWS = RooWorkspace("myWS")
	getattr(myWS,'import')(rooSigHist,RooFit.Rename("signal"))
        getattr(myWS,'import')(rooBkgHist,RooFit.Rename("background"))
        #getattr(myWS,'import')(signal_norm)
        getattr(myWS,'import')(background_norm)
        if args.jesUnc:
		getattr(myWS,'import')(hSigSystDataHist['JESUp'],RooFit.Rename("signal__JESUp"))
		getattr(myWS,'import')(hSigSystDataHist['JESDown'],RooFit.Rename("signal__JESDown"))
        if args.jerUnc:
		getattr(myWS,'import')(hSigSystDataHist['JERUp'],RooFit.Rename("signal__JERUp"))
		getattr(myWS,'import')(hSigSystDataHist['JERDown'],RooFit.Rename("signal__JERDown"))
        getattr(myWS,'import')(rooDataHist,RooFit.Rename("data_obs"))
        myWS.Print()
	outputRootFile = currentDir+'/Rootfiles/workspace_'+outputName+'.root'
        myWS.writeToFile(outputRootFile, True)
	print ' |----> Workspace created in root file:\n', outputRootFile
 # -----------------------------------------
        # write a datacard

	dataCardName = currentDir+'/Datacards/datacard_'+outputName+'.txt'
        datacard = open( dataCardName ,'w')
        datacard.write('imax 1\n')
        datacard.write('jmax 1\n')
        datacard.write('kmax *\n')
        datacard.write('---------------\n')
        if args.jesUnc or args.jerUnc or args.lumiUnc or args.normUnc or args.unc: 
		datacard.write('shapes * * '+outputRootFile+' myWS:$PROCESS myWS:$PROCESS__$SYSTEMATIC\n')
	else: datacard.write("shapes * * "+outputRootFile+" myWS:$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')
	if args.lumiUnc: datacard.write('lumi  lnN    %f         -\n'%(lumiUnc))
        if args.jesUnc: datacard.write('JES  shape   1          -\n')
	if args.jerUnc: datacard.write('JER  shape   1          -\n')
        #flat parameters --- flat prior
	if args.normUnc: datacard.write('background_norm  flatParam\n')
        #datacard.write('p1  flatParam\n')
        datacard.close()
	print ' |----> Datacard created:\n', dataCardName
Esempio n. 4
0
        # get signal shape
        hSig = signal_shapes_file.Get("h_" + args.signal_model + "_" +
                                      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
        print "[debug] hSig.Integral() = " + str(hSig.Integral())
        print "[debug] hSig.GetMean() = " + str(hSig.GetMean())
        print "[debug] hSig.GetRMS() = " + str(hSig.GetRMS())
        rooSigHist = RooDataHist('rooSigHist', 'rooSigHist', RooArgList(mjj),
                                 hSig)
        rooSigHist.Print()
        signal = RooHistPdf('signal', 'signal', RooArgSet(mjj), rooSigHist)
        signal.Print()
        signal_norm = RooRealVar('signal_norm', 'signal_norm', 0, -1e+05,
                                 1e+05)
        if args.fitBonly: signal_norm.setConstant()
        signal_norm.Print()

        p1 = RooRealVar('p1', 'p1', args.p1, 0., 100.)
        p2 = RooRealVar('p2', 'p2', args.p2, 0., 60.)
        p3 = RooRealVar('p3', 'p3', args.p3, -10., 10.)
        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))
        background.Print()
Esempio n. 5
0
def shapeCards(datahistosFile, histosFile, signalFile, signalSample, hist,
               signalMass, minMass, maxMass, outputName, outputFileTheta):
    """function to run Roofit and save workspace for RooStats"""
    warnings.filterwarnings(
        action='ignore',
        category=RuntimeWarning,
        message='.*class stack<RooAbsArg\*,deque<RooAbsArg\*> >')

    ############################################################# DATA
    #hData = histosFile.Get('massAve_deltaEtaDijet_QCDPtAll')
    #hData = datahistosFile.Get('massAve_prunedMassAsymVsdeltaEtaDijet_DATA_ABCDProj')
    dataFile = TFile(datahistosFile)
    hData = dataFile.Get(hist + '_DATA')
    hData.Rebin(args.reBin)
    #hData = hData.Rebin( len( boostedMassAveBins )-1, hData.GetName(), boostedMassAveBins )
    #hData = histosFile.Get(hist+'_QCDPtAll_A')
    #hData.Add(htmpSignal)
    #hData.Scale(1/hData.Integral())
    #maxMass = boostedMassAveBins[ hData.FindLastBinAbove( 0, 1) ]
    #minMass = signalMass-30
    #maxMass = signalMass+30
    massAve = RooRealVar('massAve', 'massAve', minMass, maxMass)
    #massAveData = RooRealVar( 'massAveData', 'massAveData', minMass, maxMass  )
    rooDataHist = RooDataHist('rooDatahist', 'rooDatahist',
                              RooArgList(massAve),
                              hData)  # if isData else hPseudo )
    rooDataHist.Print()
    ############################################################################################

    ####################### Signal
    if 'gaus' in args.job:
        hSignal = TH1F('massAve_RPVStop', 'massAve_RPVStop',
                       maxMass / args.reBin, minMass, maxMass)
        for q in range(hSignal.GetNbinsX() + 1):
            gausEval = signalFile.Eval(hSignal.GetXaxis().GetBinCenter(q))
            hSignal.SetBinContent(q, gausEval)

        #meanSig = RooRealVar( 'meanSig', 'mean of signal', sigGaus.GetParameter( 1 ) )
        #sigmaSig = RooRealVar( 'sigmaSig', 'sigma of signal', sigGaus.GetParameter( 2 ) )
        #signalPdf = RooGaussian( 'signal', 'signal', massAve, meanSig, sigmaSig )
        #signalPdf.Print()
    else:
        signalHistosFile = TFile(signalFile)
        hSignal = signalHistosFile.Get(hist + '_' + signalSample)
        hSignal.Rebin(args.reBin)
    hSignal.Scale(twoProngSF)

    signalXS = search(dictXS, 'RPVStopStopToJets_UDD312_M-' + str(signalMass))
    rooSigHist = RooDataHist('rooSigHist', 'rooSigHist', RooArgList(massAve),
                             hSignal)
    sigAcc = rooSigHist.sumEntries(
    )  #round(hSignal.Integral( hSignal.GetXaxis().FindBin( minMass ), hSignal.GetXaxis().FindBin( maxMass )), 2)
    rooSigHist.Print()

    #signal = RooHistPdf('signal','signal',RooArgSet(massAve),rooSigHist)
    #signal.Print()
    #signal_norm = RooRealVar('signal_norm','signal_norm',0,-1e+04,1e+04)
    #if args.fitBonly: signal_norm.setConstant()
    #signal_norm.Print()

    #####################################################################
    hSigSyst = signalUnc(hSignal, signalMass)
    hSigSystDataHist = {}
    if args.jesUnc:
        hSigSystDataHist['JESUp'] = RooDataHist('hSignalJESUp', 'hSignalJESUp',
                                                RooArgList(massAve),
                                                hSigSyst['JESUp'])
        hSigSystDataHist['JESDown'] = RooDataHist('hSignalJESDown',
                                                  'hSignalJESDown',
                                                  RooArgList(massAve),
                                                  hSigSyst['JESDown'])

    if args.jerUnc:
        hSigSystDataHist['JERUp'] = RooDataHist('hSignalJERUp', 'hSignalJERUp',
                                                RooArgList(massAve),
                                                hSigSyst['JERUp'])
        hSigSystDataHist['JERDown'] = RooDataHist('hSignalJERDown',
                                                  'hSignalJERDown',
                                                  RooArgList(massAve),
                                                  hSigSyst['JERDown'])

    #################################### Background
    if args.altBkg:
        newBkgHistoFile = datahistosFile.replace('DATA', 'DATA_ABCDBkg')
        newBkgFile = TFile(newBkgHistoFile)
        htmpBkg = newBkgFile.Get(
            'massAve_prunedMassAsymVsdeltaEtaDijet_DATA_ABCDProj')
        if (htmpBkg.GetBinWidth(1) != args.reBin):
            print '|----- Bin size in DATA_C histogram is different than rest.'
            sys.exit(0)
    else:
        htmpBkg = dataFile.Get(
            'massAve_prunedMassAsymVsdeltaEtaDijet_DATA_ABCDProj')
        htmpBkg.Rebin(args.reBin)
    #hBkg = histosFile.Get('massAve_prunedMassAsymVsdeltaEtaDijet_QCDPtAll_ABCDProj')
    #hBkg = histosFile.Get(hist+'_QCDPtAll_BCD')
    #htmpBkg = htmpBkg.Rebin( len( boostedMassAveBins )-1, htmpBkg.GetName(), boostedMassAveBins )
    hBkg = htmpBkg.Clone()
    hBkg.Reset()
    for ibin in range(htmpBkg.GetNbinsX()):
        binCont = htmpBkg.GetBinContent(ibin)
        binErr = htmpBkg.GetBinError(ibin)
        if binCont == 0:
            hBkg.SetBinContent(ibin, 0)
            hBkg.SetBinError(ibin, 1.8)
        else:
            hBkg.SetBinContent(ibin, binCont)
            hBkg.SetBinError(ibin, binErr)
    #hBkg.Scale(1/hBkg.Integral())

    hPseudo = createPseudoExperiment(hBkg, bkgAcc)

    ###### Adding statistical uncertanty
    hBkgStatUncUp = hBkg.Clone()
    hBkgStatUncUp.Reset()
    hBkgStatUncDown = hBkg.Clone()
    hBkgStatUncDown.Reset()
    for i in range(hBkg.GetNbinsX() + 1):
        cont = hBkg.GetBinContent(i)
        contErr = hBkg.GetBinError(i)
        hBkgStatUncUp.SetBinContent(i, cont + (1 * contErr))
        hBkgStatUncDown.SetBinContent(i, cont - (1 * contErr))
    hBkgStatUncUpDataHist = RooDataHist('hBkgStatUncUp', 'hBkgStatUncUp',
                                        RooArgList(massAve), hBkgStatUncUp)
    hBkgStatUncDownDataHist = RooDataHist('hBkgStatUncDown', 'hBkgStatUncDown',
                                          RooArgList(massAve), hBkgStatUncDown)

    if 'template' in args.job:
        rooBkgHist = RooDataHist('rooBkgHist', 'rooBkgHist',
                                 RooArgList(massAve), hBkg)
        bkgAcc = rooBkgHist.sumEntries()
        rooBkgHist.Print()
        background = RooHistPdf('background', 'background', RooArgSet(massAve),
                                rooBkgHist)
        background.Print()

    else:
        massAveBkg = RooRealVar('massAveBkg', 'massAveBkg', minMass, maxMass)
        p1 = RooRealVar('p1', 'p1', 1, 0., 100.)
        p2 = RooRealVar('p2', 'p2', 1, 0., 60.)
        p3 = RooRealVar('p3', 'p3', 1, -10., 10.)

        bkgAcc = round(
            hBkg.Integral(hBkg.GetXaxis().FindBin(minMass),
                          hBkg.GetXaxis().FindBin(maxMass)), 2)
        background = RooGenericPdf(
            'background',
            '(pow(1-@0/%.1f,@1)/pow(@0/%.1f,@2+@3*log(@0/%.1f)))' %
            (1300, 1300, 1300), RooArgList(massAveBkg, p1, p2, p3))
        background.Print()

    hBkgSyst = {}
    hBkgSystDataHist = {}

    if args.bkgUnc:
        print ' |---> Adding bkg unc'
        hBkgSyst['BkgUncUp'] = hBkg.Clone()
        hBkgSyst['BkgUncDown'] = hBkg.Clone()

        for key in hBkgSyst:
            hBkgSyst[key].Reset()
            hBkgSyst[key].SetName(hBkgSyst[key].GetName() + '_' + key)

        for q in range(0, hBkg.GetNbinsX()):
            binCont = hBkg.GetBinContent(q)
            bkgUncUp = 1. + (args.bkgUncValue / 100.)
            hBkgSyst['BkgUncUp'].SetBinContent(q, binCont * bkgUncUp)
            bkgUncDown = 1. - (args.bkgUncValue / 100.)
            hBkgSyst['BkgUncDown'].SetBinContent(q, binCont * bkgUncDown)
        hBkgSystDataHist['BkgUncUp'] = RooDataHist('hBkgBkgUncUp',
                                                   'hBkgBkgUncUp',
                                                   RooArgList(massAve),
                                                   hBkgSyst['BkgUncUp'])
        hBkgSystDataHist['BkgUncDown'] = RooDataHist('hBkgBkgUncDown',
                                                     'hBkgBkgUncDown',
                                                     RooArgList(massAve),
                                                     hBkgSyst['BkgUncDown'])

    ############################################################################################

    #model = RooAddPdf("model","s+b",RooArgList(background,signal),RooArgList(background_norm,signal_norm))
    #res = model.fitTo(rooDataHist, RooFit.Save(kTRUE), RooFit.Strategy(0))
    #res.Print()

    ############################ Create Workspace
    myWS = RooWorkspace("myWS")
    getattr(myWS, 'import')(rooBkgHist, RooFit.Rename("background"))
    #getattr(myWS,'import')(background,RooFit.Rename("background"))
    #getattr(myWS,'import')(signal_norm)
    #getattr(myWS,'import')(background_norm)
    '''
	if 'gaus' in args.job: 
		getattr(myWS,'import')(signalPdf,RooFit.Rename("signal")) 
		if args.jesUnc:
			getattr(myWS,'import')(signalPdfJESUp,RooFit.Rename("signal__JESUp")) 
			getattr(myWS,'import')(signalPdfJESDown,RooFit.Rename("signal__JESDown")) 
	else: 
	'''
    getattr(myWS, 'import')(rooSigHist, RooFit.Rename("signal"))
    if args.jesUnc:
        getattr(myWS, 'import')(hSigSystDataHist['JESUp'],
                                RooFit.Rename("signal__JESUp"))
        getattr(myWS, 'import')(hSigSystDataHist['JESDown'],
                                RooFit.Rename("signal__JESDown"))
    if args.jerUnc:
        getattr(myWS, 'import')(hSigSystDataHist['JERUp'],
                                RooFit.Rename("signal__JERUp"))
        getattr(myWS, 'import')(hSigSystDataHist['JERDown'],
                                RooFit.Rename("signal__JERDown"))
    if args.bkgUnc:
        getattr(myWS, 'import')(hBkgSystDataHist['BkgUncUp'],
                                RooFit.Rename("background__BkgUncUp"))
        getattr(myWS, 'import')(hBkgSystDataHist['BkgUncDown'],
                                RooFit.Rename("background__BkgUncDown"))
    getattr(myWS, 'import')(hBkgStatUncUpDataHist,
                            RooFit.Rename("background__BkgStatUncUp"))
    getattr(myWS, 'import')(hBkgStatUncDownDataHist,
                            RooFit.Rename("background__BkgStatUncDown"))
    getattr(myWS, 'import')(rooDataHist, RooFit.Rename("data_obs"))
    myWS.Print()
    outputRootFile = currentDir + '/Rootfiles/workspace_' + outputName + '.root'
    myWS.writeToFile(outputRootFile, True)
    print ' |----> Workspace created in root file:\n', outputRootFile
    '''
	c1 = TCanvas('c1', 'c1',  10, 10, 750, 500 )
#	c1.SetLogy()
	xframe = myWS.var("massAve").frame()
	signalPdf.plotOn( xframe )
	xframe.Draw()
	c1.SaveAs('test.png')
	del c1
	'''
    ############################################################################################

    ######################### write a datacard

    dataCardName = currentDir + '/Datacards/datacard_' + outputName + '.txt'
    datacard = open(dataCardName, 'w')
    datacard.write('imax 1\n')
    datacard.write('jmax 1\n')
    datacard.write('kmax *\n')
    datacard.write('---------------\n')
    if args.jesUnc or args.jerUnc or args.lumiUnc or args.bkgUnc or args.unc:
        datacard.write('shapes * * ' + outputRootFile +
                       ' myWS:$PROCESS myWS:$PROCESS__$SYSTEMATIC\n')
    else:
        datacard.write("shapes * * " + outputRootFile + " myWS:$PROCESS \n")
    datacard.write('---------------\n')
    datacard.write('bin ' + signalSample + '\n')
    datacard.write('observation -1\n')
    datacard.write('------------------------------\n')
    datacard.write('bin          ' + signalSample + '          ' +
                   signalSample + '\n')
    datacard.write('process      signal     background\n')
    datacard.write('process      0          1\n')
    #datacard.write('rate         -1         -1\n')
    datacard.write('rate         ' + str(sigAcc) + '         ' + str(bkgAcc) +
                   '\n')
    datacard.write('------------------------------\n')
    if args.lumiUnc:
        datacard.write('lumi  lnN    %f         -\n' % (lumiValue))
    if args.puUnc: datacard.write('pu  lnN    %f         -\n' % (puValue))
    if args.jesUnc: datacard.write('JES  shape   1          -\n')
    if args.jerUnc: datacard.write('JER  shape   1          -\n')
    #flat parameters --- flat prior
    #if args.bkgUnc: datacard.write('BkgUnc  shape   -	   '+str( round( 1/ (args.bkgUncValue/34.1), 2 ) )+'\n')
    if args.bkgUnc: datacard.write('BkgUnc  shape   -	   1 \n')
    #NcombineUnc = ( 1 / TMath.Sqrt( args.bkgUncValue / 100. ) ) - 1
    #datacard.write('background_norm  gmN '+str(int(round(NcombineUnc)))+'  -  '+str( round(bkgAcc/NcombineUnc,2) )+'\n')
    #datacard.write('p1  flatParam\n')
    datacard.write('BkgStatUnc  shape   -	   1 \n')
    datacard.close()
    print ' |----> Datacard created:\n', dataCardName
    ############################################################################################

    ########## Theta
    if args.theta:
        print ' |----> Creating Theta file\n', outputFileTheta
        outFile = TFile(outputFileTheta, 'update')
        tmpName = 'rpvstopjj' + str(signalMass)
        hSignal.SetName('massAve__' + tmpName)
        hSignal.Write()
        hSigSyst['JESDown'].SetName('massAve__' + tmpName + '__jes__down')
        hSigSyst['JESDown'].Write()
        hSigSyst['JESUp'].SetName('massAve__' + tmpName + '__jes__up')
        hSigSyst['JESUp'].Write()
        hSigSyst['JERDown'].SetName('massAve__' + tmpName + '__jer__down')
        hSigSyst['JERDown'].Write()
        hSigSyst['JERUp'].SetName('massAve__' + tmpName + '__jer__up')
        hSigSyst['JERUp'].Write()
        if (signalMass == 100):  #or (signalMass == 170):
            hBkg.SetName('massAve__background')
            hBkg.Write()
            hBkgSyst['BkgUncDown'].SetName('massAve__background__unc__down')
            hBkgSyst['BkgUncDown'].Write()
            hBkgSyst['BkgUncUp'].SetName('massAve__background__unc__up')
            hBkgSyst['BkgUncUp'].Write()
            hData.SetName('massAve__DATA')
            hData.Write()
        outFile.Close()