Ejemplo n.º 1
0
            h = t.GetNamedHisto(pref + var + '_' + ch)
        else:
            h = t.GetNamedHisto(pref + var + '_' + ch + '_' + inc)
        y = h.GetBinContent(9)
    else:
        y = t.GetYield()
    return y


from wzanalysis.wzanalysis import lev, level, ch, chan

#path = '/pool/ciencias/nanoAODv4/5TeV/5TeV_21nov2019/'
path = '/nfs/fanae/user/joanrs/xuAnalysis/tempWZ8/'
#process = ['WZTo3LNU_NNPDF30_TuneCP5_5p20TeV','DYJetsToLL_MLL_50_TuneCP5_5020GeV_amcatnloFXFX','DYJetsToLL_M_10to50_TuneCP5_5020GeV_amcatnloFXFX','ZZTo2L2Nu_5p02TeV','ZZTo4L_5p02TeV','WWTo2L2Nu_NNPDF31_TuneCP5_5p02TeV', 'tW_5f_noFullHad_TuneCP5_PSweights_5p02TeV_py, tW_5f_noFullHad_TuneCP5_5p02TeV', 'tbarW_5f_noFullHad_TuneCP5_PSweights_5p02TeV_powhe, tbarW_5f_noFullHad_TuneCP5_5p02TeV', 'TT_TuneCP5_PSweights_5p02TeV' ]
t = TopHistoReader(path)
t.SetLumi(Lumi)
PR = []
TT = []
DY = []
VV = []
WZ = []
Da = []
ZZ = []
WW = []
#process  = ['WZTo3LNU']
process = [
    'WZTo3LNU', 'DYJetsToLL_MLL50', 'DYJetsToLL_M_10to50', 'ZZTo2L2Nu',
    'ZZTo4L', 'WWTo2L2Nu', 'tW_noFullHad', 'tbarW_noFullHad', 'TT',
    'HighEGJet', 'SingleMuon'
]
name = [
Ejemplo n.º 2
0
class CrossSection:

    ### Add background, signal and data numbers
    def AddBkg(self, name, val, normunc=0, systunc=0, statunc=0, samples=''):
        ''' Add a bkg process (must include yield, name, uncertainties...) '''
        self.bkg.append(
            Process(name,
                    Yield=val,
                    NormUnc=normunc,
                    SystUnc=systunc,
                    StatUnc=statunc,
                    samples=samples))

    def SetSignal(self, name, val, statunc=0, samples=''):
        ''' Set the signal process (must include yield, name, uncertainties...) '''
        self.signal = Process(name,
                              Yield=val,
                              StatUnc=statunc,
                              samples=samples)

    def SetData(self, n):
        ''' Number of observed events '''
        self.data = n
        self.dataunc = sqrt(n)

    ### Add uncertainties... experimental and modeling
    def AddExpUnc(self, name, val):
        ''' Add the uncertainty 'name' with value 'val' to the experimental uncertainties '''
        self.effUnc[name] = val

    def AddModUnc(self, name, val=0., do=''):
        ''' Add the uncertainty 'name' with value 'val' to the modeling uncertainties (on acceptance) 
        if sample names are given (up/down) the uncertainty is read from the histos in that samples 
    '''
        if isinstance(val, float):
            self.accUnc[name] = val
        else:
            nom = self.GetSignalYield()
            up = self.t.GetYield(val)
            do = self.t.GetYield(do)
            var = max(abs(up - nom), abs(do - nom)) / nom
            self.AddModUnc(name, var)

    ### Setting methods
    def SetTextFormat(self, textformat):
        ''' Set the format of the output tables (txt, tex) '''
        self.textformat = textformat

    def SetChan(self, ch):
        ''' Set the channel '''
        self.chan = ch

    def SetLevel(self, lev):
        ''' Set level '''
        self.lev = lev

    def SetThXsec(self, t):
        ''' Set the theoretical cross section using to normalize signal events '''
        self.thxsec = t

    def SetDoFiducial(self, val=True):
        ''' Boolean to activate printing the fiducial cross section '''
        self.doFiducial = val

    def SetLumi(self, l):
        ''' Set the luminosity '''
        self.lumi = l

    def SetLumiUnc(self, l):
        ''' Set relative lumi unc '''
        self.lumiunc = l

    def SetFiduEvents(self, f):
        ''' Number of fiducual (unweighted) events '''
        self.nfidu = f

    def SetGenEvents(self, g):
        ''' Number of generated events in the sample '''
        self.ngen = g

    def SetBR(self, b):  # Use relative unc
        ''' The branching ratio to what we consider signal '''
        self.BR = b

    def SetOutPath(self, p):
        ''' Set the output path '''
        self.outpath = p

    ### Get parameters...
    def GetThXsec(self):
        return self.thxsec

    def GetLumi(self):
        return self.lumi

    def GetLumiUnc(self):
        return self.lumiunc

    def GetFiduEvents(self, sys=''):
        return self.nfidu

    def GetGenEvents(self):
        return self.ngen

    def GetBR(self):
        return self.BR

    def GetLevel(self):
        return self.lev

    def GetChan(self):
        return self.chan

    def GetBkg(self, name):
        for b in self.bkg:
            if b.GetName() == name: return b
        print 'WARNING: not found background ' + name

    def GetBkgTotRelUnc(self, name):
        return self.GetBkg(name).GetTotRelUnc()

    def GetBkgTotAbsUnc(self, name):
        return self.GetBkgYield(name) * self.GetBkgTotRelUnc(name)

    def GetBkgYield(self, name, sys=''):
        pr = self.GetBkg(name)
        if sys == '': return pr.GetYield()
        elif IsUpSyst(sys): return pr.GetYield() * (1 + pr.GetTotRelUnc())
        elif IsDownSyst(sys): return pr.GetYield() * (1 - pr.GetTotRelUnc())
        else: return pr.GetYield() * (1 + pr.GetTotRelUnc())

    def GetData(self):
        return self.data

    def GetDataUnc(self):
        return self.dataunc

    def GetSignal(self):
        return self.signal

    def GetSignalYield(self, sys='', d=''):
        y = self.signal.GetYield()
        if sys == '': return y
        u = self.GetUnc(sys)
        if IsDownSyst(d): return y * (1 - u)
        return y * (1 + u)

    def GetExpUnc(self, name=''):
        if name == '': return self.effUnc
        else: return self.effUnc[name]

    def GetModUnc(self, name=''):
        if name == '': return self.accUnc
        else: return self.accUnc[name]

    def GetUnc(self, name):
        if name in self.modUnc.keys(): return self.GetModUnc(name)
        elif name in self.effUnc.keys(): return self.GetEffUnc(name)
        else: print 'WARNING: not found uncertainty \'%d\'' % name
        return 0

    def GetTotBkg(self, sys='', d=''):
        ''' Returns the total expected bkg '''
        if sys != '' and sys in [x.GetName() for x in self.bkg]:
            y = self.GetTotBkg()
            var = self.GetBkgTotAbsUnc(sys)
            y = y - var if IsDownSyst(sys + d) else y + var
        else:
            y = sum([x.GetYield() for x in self.bkg])
        return y

    def GetTotBkgStatUnc(self):
        ''' Returns the total stat unc on bkg '''
        b = 0
        for pr in self.bkg:
            b += pr.GetStatUnc() * pr.GetStatUnc()
        return sqrt(b)

    def GetTotBkgSystUnc(self):
        ''' Returns the total syst unc on bkg '''
        b = 0
        for pr in self.bkg:
            b += pr.GetSystAbsUnc() * pr.GetSystAbsUnc()
        return sqrt(b)

    def GetXsec(self, sys='', d=''):
        ''' Returns the measured cross section '''
        data = self.GetData()
        bkg = self.GetTotBkg(sys, d) if sys in [x.GetName() for x in self.bkg
                                                ] else self.GetTotBkg()
        y = self.GetSignalYield(sys, d)
        thxsec = self.GetThXsec()
        return self.ComputeXsec(data, bkg, y)

    def GetFiduXsec(self):
        ''' Returns the fiducial cross section '''
        # fidu = inclusive*(A)
        return self.ComputeXsec() * self.GetAcc()

    def GetAcc(self, sys=''):
        ''' Returns the measured acceptance '''
        return self.GetFiduEvents(sys) / (self.GetGenEvents() * self.GetBR())

    def GetAccUnc(self):
        ''' Return the syst unc on acceptance '''
        err = 0
        for a in self.accUnc.values():
            err += a * a
        return sqrt(err)

    def GetEff(self, sys=''):
        ''' Returns the measured efficiency '''
        y = self.GetSignalYield(sys)
        A = self.GetAcc()
        BR = self.GetBR()
        lum = self.GetLumi()
        xth = self.GetThXsec()
        return (y) / (A * lum * xth * BR)

    def GetEffUnc(self):
        ''' Return the syst unc on efficiency '''
        err = 0
        for a in self.effUnc.values():
            err += a * a
        return sqrt(err)

    def GetXsecSystUnc(self):
        ''' Returns the xsec syst unc on cross section '''
        effunc = self.GetEffUnc()
        accunc = self.GetAccUnc()
        bkgunc2 = 0
        for b in [x.GetName() for x in self.bkg]:
            bkgunc2 += self.GetXsecBkgRelUnc(b) * self.GetXsecBkgRelUnc(b)
        return sqrt(effunc * effunc + accunc * accunc + bkgunc2)

    def GetXsecLumiUnc(self):
        ''' Returns the xsec lumi uncertainty on cross section '''
        #return self.GetXsec()*(1/self.GetLumi() - 1/(self.GetLumi() * (1+self.GetLumiUnc()) ))
        r = self.GetLumiUnc()
        return (abs(r / (1 - r)) + abs(r / (1 + r))) / 2

    def GetXsecStatUnc(self):
        ''' Returns the stat unc on cross section '''
        xsec = self.ComputeXsec()
        varUp = self.ComputeXsec(self.GetData() + self.GetDataUnc(),
                                 self.GetTotBkg(), self.GetSignalYield())
        varDo = self.ComputeXsec(self.GetData() - self.GetDataUnc(),
                                 self.GetTotBkg(), self.GetSignalYield())
        return max([abs(xsec - varDo) / xsec, abs(xsec - varUp) / xsec])

    def GetXsecBkgRelUnc(self, bkgname):
        ''' Returns the relative unc on the xsec due to the total unc on a bkg estimation '''
        nom = self.ComputeXsec()
        varUp = self.ComputeXsec(self.GetData(), self.GetTotBkg(bkgname, 'Up'),
                                 self.GetSignalYield())
        varDo = self.ComputeXsec(self.GetData(),
                                 self.GetTotBkg(bkgname, 'Down'),
                                 self.GetSignalYield())
        return max([abs(nom - varUp) / nom, abs(nom - varDo) / nom])

    ### Several printing methods!
    def PrintYields(self, name='yields', doStat=True, doSyst=True):
        t = OutText(self.outpath, name, "new", textformat=self.textformat)
        t.SetTexAlign("l c")
        nsem = 16 + 3 + 8 + (5 + 8 if doStat else 0) + (5 + 8 if doSyst else 0)
        t.SetSeparatorLength(nsem)
        t.line('%' + 'Yields for channel \'%s\' and level \'%s\'' %
               (self.GetChan(), self.GetLevel()))
        t.bar()
        for pr in self.bkg:
            name = t.fix(" %s" % pr.GetName(), 16, 'l', 0)
            y = t.fix("%1.2f" % pr.GetYield(), 8, 0)
            stat = t.fix("%1.2f" % pr.GetStatUnc(), 8, 0)
            syst = t.fix("%1.2f" % pr.GetSystAbsUnc(), 8, 0)
            t.line(name + t.vsep() + y + ((t.pm() + stat) if doStat else '') +
                   ((t.pm() + syst) if doSyst else ''))
        t.sep()
        totbkg = t.fix("%1.2f" % self.GetTotBkg(), 8, 0)
        totbkgstat = t.fix("%1.2f" % self.GetTotBkgStatUnc(), 8, 0)
        totbkgsyst = t.fix("%1.2f" % self.GetTotBkgSystUnc(), 8, 0)
        t.line(
            t.fix(" Total bkg", 16, 'l', 0) + t.vsep() + totbkg +
            ((t.pm() + totbkgstat) if doStat else '') +
            ((t.pm() + totbkgsyst) if doSyst else ''))
        t.sep()
        y = self.GetSignalYield()
        signal = t.fix(" %s" % (self.GetSignal().GetName()), 16, 'l', 0)
        ysig = t.fix("%1.2f" % y, 8, 0)
        sigunc = t.fix("%1.2f" % (self.GetXsecSystUnc() * y), 8, 0)
        sigsta = t.fix("%1.2f" % self.GetSignal().GetStatUnc(), 8, 0)
        t.line(signal + t.vsep() + ysig +
               ((t.pm() + sigsta) if doStat else '') +
               ((t.pm() + sigunc) if doSyst else ''))
        t.sep()
        t.line(
            t.fix(" Data", 16, 'l', 0) + t.vsep() +
            t.fix("%i" % self.GetData(), 8, 0))
        t.bar()
        t.write()

    def PrintXsec(self, name='xsec'):
        t = OutText(self.outpath, name, "new", textformat=self.textformat)
        t.SetTexAlign("l c")
        t.SetSeparatorLength(26 + 3 + 20 + 5)
        t.SetDefaultFixOption(False)
        t.line('%' + 'tt cross section for channel \'%s\' and level \'%s\'' %
               (self.GetChan(), self.GetLevel()))
        acc = self.GetAcc()
        eff = self.GetEff()
        t.bar()
        t.line(
            t.fix(' Acceptance', 16, 'r') + t.vsep() +
            t.fix("%1.4f" % acc, 6) + t.pm() +
            t.fix("%1.2f" % (acc * self.GetAccUnc()), 8))
        t.line(
            t.fix(' Efficiency', 16, 'r') + t.vsep() +
            t.fix("%1.4f" % eff, 6) + t.pm() +
            t.fix("%1.2f" % (eff * self.GetEffUnc()), 8))
        t.sep()
        t.line(
            t.fix(' Branching ratio', 16, 'r') + t.vsep() +
            t.fix("%1.4f" % self.GetBR(), 6))
        t.line(
            t.fix(' Gen events', 16, 'r') + t.vsep() +
            t.fix("%d" % self.GetGenEvents(), 9))
        t.line(
            t.fix(' Fiducial events', 16, 'r') + t.vsep() +
            t.fix("%d" % self.GetFiduEvents(), 9))
        if self.doFiducial:
            t.sep()
            xsec = self.GetFiduXsec()
            stat = self.GetXsecStatUnc()
            syst = self.GetEffUnc()
            lumi = self.GetXsecLumiUnc()
            #t.line(t.fix(' Fiducial cross section', 26, 'r') + t.vsep() + t.fix("%1.2f"%xsec,6))
            #t.line(t.fix(' +\- ', 26, 'r')            + '   ' + t.fix('%1.2f (%1.2f'%(stat*xsec,stat*100) + ' %) (stat)',20, 'l'))
            #t.line(t.fix(' +\- ', 26, 'r')            + '   ' + t.fix('%1.2f (%1.2f'%(syst*xsec,syst*100) + ' %) (syst)',20, 'l'))
            #t.line(t.fix(' +\- ', 26, 'r')            + '   ' + t.fix('%1.2f (%1.2f'%(lumi*xsec,lumi*100) + ' %) (lumi)',20, 'l'))
        t.sep()
        xsec = self.GetXsec()
        stat = self.GetXsecStatUnc()
        syst = self.GetXsecSystUnc()
        lumi = self.GetXsecLumiUnc()
        t.line(
            t.fix(' Inclusive cross section', 26, 'r') + t.vsep() +
            t.fix("%1.2f" % xsec, 6))
        t.line(
            t.fix(' $\pm$ ', 26, 'r') + '   ' +
            t.fix('%1.2f (%1.2f' %
                  (stat * xsec, stat * 100) + ' \%) (stat)', 20, 'l') +
            t.vsep())
        t.line(
            t.fix(' $\pm$ ', 26, 'r') + '   ' +
            t.fix('%1.2f (%1.2f' %
                  (syst * xsec, syst * 100) + ' \%) (syst)', 20, 'l') +
            t.vsep())
        t.line(
            t.fix(' $\pm$ ', 26, 'r') + '   ' +
            t.fix('%1.2f (%1.2f' %
                  (lumi * xsec, lumi * 100) + ' \%) (lumi)', 20, 'l') +
            t.vsep())
        t.bar()
        t.write()

    def AddToTxt(self, name='xsec', lab='e#mu'):
        t = OutText(self.outpath, name, "new", textformat=self.textformat)
        text = t.GetTextFromOutFile(form='txt')
        xsec = self.GetXsec()
        stat = self.GetXsecStatUnc() * xsec
        syst = self.GetXsecSystUnc() * xsec
        lum = self.GetXsecLumiUnc() * xsec
        isthere = False
        for l in text.splitlines():
            if l == '' or l.replace(' ', '') == '': continue
            if l.startswith(lab):
                isthere = True
                t.line('%s %1.2f %1.2f %1.2f %1.2f' %
                       (lab, xsec, stat, syst, lum))
            else:
                t.line(l)
        if not isthere:
            t.line('%s %1.2f %1.2f %1.2f %1.2f' % (lab, xsec, stat, syst, lum))
        t.write()

    def PrintSystTable(self, name='uncertainties'):
        t = OutText(self.outpath, name, "new", textformat=self.textformat)
        t.SetTexAlign("l c")
        t.SetSeparatorLength(30)
        t.SetDefaultFixOption(False)
        t.line('%Uncertainties on tt inclusive cross section \n% ' +
               'for channel \'%s\' and level \'%s\'' %
               (self.GetChan(), self.GetLevel()))
        exp = self.GetExpUnc()
        mod = self.GetModUnc()
        stat = self.GetXsecStatUnc()
        lum = self.GetXsecLumiUnc()
        syst = self.GetXsecSystUnc()
        xsec = self.GetXsec()
        t.bar()
        t.line(t.fix(' Source', 18, 'l') + t.vsep() + fix("value (\%)", 6))
        t.sep()
        for b in [x.GetName() for x in self.bkg]:
            t.line(
                fix(' ' + b, 18, 'r') + t.vsep() +
                fix('%1.2f' % (self.GetXsecBkgRelUnc(b) * 100), 6))
        t.sep()
        for e in exp.keys():
            t.line(
                fix(' ' + e, 18, 'l') + t.vsep() +
                fix('%1.2f' % (exp[e] * 100), 6))
        t.sep()
        for e in mod.keys():
            t.line(
                fix(' ' + e, 18, 'l') + t.vsep() +
                fix('%1.2f' % (mod[e] * 100), 6))
        t.sep()
        t.line(
            fix(' Total systematic', 18, 'l') + t.vsep() +
            fix('%1.2f' % (syst * 100), 6))
        t.sep()
        t.line(
            fix(' Statistics', 18, 'l') + t.vsep() +
            fix('%1.2f' % (stat * 100), 6))
        t.sep()
        t.line(
            fix(' Luminosity', 18, 'l') + t.vsep() +
            fix('%1.2f' % (lum * 100), 6))
        t.bar()
        t.write()

    ### Other
    def ComputeXsec(self, data='', bkg='', y=''):
        ''' Computes the xsec from data, bkg and expected yield '''
        if data == '': data = self.data
        if bkg == '': bkg = self.GetTotBkg()
        if y == '': y = self.GetSignalYield()
        return (data - bkg) / y * self.GetThXsec()

    def SetPathToTrees(self, ptt):
        self.pathToTrees = ptt

    def SetMotherName(self, mn):
        self.motherfname = mn

    def GetNGenEvents(self):
        self.treesow = TChain('Runs', 'Runs')
        files = GetFiles(self.pathToTrees, self.motherfname)
        for f in files:
            self.treesow.Add(f)

    def ReadHistos(self,
                   path,
                   chan='ElMu',
                   level='2jets',
                   lumi=Lumi,
                   lumiunc=0.04,
                   bkg=[],
                   signal=[],
                   data='',
                   expUnc=[],
                   modUnc=[],
                   histoPrefix=''):
        ''' Set the xsec from histos '''
        if isinstance(expUnc, str): expUnc = expUnc.replace(' ', '').split(',')
        if isinstance(modUnc, str): modUnc = modUnc.replace(' ', '').split(',')
        self.SetChan(chan)
        self.SetLevel(level)
        self.t = TopHistoReader(path)
        self.t.SetHistoNamePrefix(histoPrefix)
        self.t.SetLumi(lumi)
        self.t.SetChan(chan)
        self.t.SetLevel(level)
        self.ss = SampleSums(self.pathToTrees, self.motherfname, 'Runs')
        signalName = signal[0]
        signalSample = signal[1]

        # GetFiduEvents
        hfiduname = 'FiduEvents'  #_%s'%chan
        fiduEvents = self.t.GetNamedHisto(
            hfiduname, signalSample).GetBinContent(invlevel[level])
        nGenEvents = self.ss.GetCount(
            'Count')  #self.GetNGenEvents(signalSample)
        self.SetLumiUnc(lumiunc)
        self.SetFiduEvents(fiduEvents)
        self.SetGenEvents(nGenEvents)
        for l in bkg:
            if len(l) == 3:
                name, pr, unc = l
                expunc = expUnc
            elif len(l) == 4:
                name, pr, unc, expunc = l
            self.AddBkg(name, self.t.GetYield(pr), unc,
                        self.t.GetUnc(pr, chan, level, expUnc),
                        self.t.GetYieldStatUnc(pr))
        self.SetSignal(signalName, self.t.GetYield(signalSample),
                       self.t.GetYieldStatUnc(signalSample))
        self.t.SetIsData(True)
        self.SetData(self.t.GetYield(data))
        self.t.SetIsData(False)
        for e in expUnc:
            self.AddExpUnc(e, self.t.GetUnc(signal[1], chan, level, e))
        # Modeling uncertainties
        if 'pdf' in modUnc or 'PDF' in modUnc or 'Scale' in modUnc or 'ME' in modUnc or 'scale' in modUnc:
            pathToTrees = self.pathToTrees  #'/pool/ciencias/userstorage/juanr/nanoAODv4/5TeV/5TeV_5sept/'
            motherfname = self.motherfname  #'TT_TuneCP5_PSweights_5p02TeV'
            w = WeightReader(path,
                             '',
                             chan,
                             level,
                             sampleName='TT',
                             pathToTrees=pathToTrees,
                             motherfname=motherfname,
                             PDFname='PDFweights',
                             ScaleName='ScaleWeights',
                             lumi=Lumi,
                             histoprefix=histoPrefix)
            #w.SetSampleName(signalName)
            if 'pdf' in modUnc or 'PDF' in modUnc:
                self.AddModUnc('PDF', w.GetPDFandAlphaSunc())
            if 'scale' in modUnc or 'ME' in modUnc:
                self.AddModUnc('Scale ME', w.GetMaxRelUncScale())
        if 'ISR' in modUnc or 'isr' in modUnc:
            self.AddModUnc('ISR',
                           self.t.GetUnc(signalSample, chan, level, 'ISR'))
        if 'FSR' in modUnc or 'fsr' in modUnc:
            self.AddModUnc('FSR',
                           self.t.GetUnc(signalSample, chan, level, 'FSR'))

    def __init__(self,
                 outpath='./temp/',
                 lev='',
                 chan='',
                 genEvents=1,
                 fiduEvents=1,
                 textformat="txt"):
        self.SetTextFormat(textformat)
        self.SetThXsec(68.9)
        self.SetLumi(Lumi)
        self.SetLumiUnc(0.035)  # Relative
        self.SetChan(chan)
        self.SetLevel(lev)
        self.SetGenEvents(genEvents)
        self.SetFiduEvents(fiduEvents)
        self.SetBR((0.108 * 3) * (0.108 * 3))  # By default, tt dilepton
        self.bkg = []  # List of 'Process'
        self.data = 0  # This is just an integer
        self.signal = ''  # Process
        self.accUnc = {}  # 'Name' : value
        self.effUnc = {}  # 'Name' : value
        self.SetOutPath(outpath)
        self.doFiducial = True
        self.SetMotherName("TT_TuneCP5_5p02TeV")
        self.SetPathToTrees("")