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performTheFitsMuons.C
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#include "../Sources/fitter_tree.C"
using namespace RooFit ;
TFile *myFile;
void doFit(TString type,TString ref, TString obs, float tag_low, float tag_high, float probe_low, float probe_high, RooWorkspace *theWorkSpace, float *theEfficiency, float *theEffError){
theWorkSpace->factory("expr::nSignalPass('efficiency*fSigAll*numTot', efficiency, fSigAll[0.9,0,1],numTot[1,0,1e10])");
theWorkSpace->factory("expr::nSignalFail('(1-efficiency)*fSigAll*numTot', efficiency, fSigAll,numTot)");
theWorkSpace->factory("expr::nBkgPass('effBkg*(1-fSigAll)*numTot', effBkg[0.9,0,1],fSigAll,numTot)");
theWorkSpace->factory("expr::nBkgFail('(1-effBkg)*(1-fSigAll)*numTot', effBkg,fSigAll,numTot)");
theWorkSpace->factory("SUM::passing(nSignalPass*signalPass,nBkgPass*backgroundPass)");
theWorkSpace->factory("SUM::failling(nSignalFail*signalFail,nBkgFail*backgroundFail)");
theWorkSpace->factory("expr::nPass('nSignalPass+nBkgPass',nSignalPass,nBkgPass)");
theWorkSpace->factory("expr::nFail('nSignalFail+nBkgFail',nSignalFail,nBkgFail)");
theWorkSpace->factory("SUM::tot(nPass*passing, nFail*failling)");
theWorkSpace->factory("SUM::bgExtended(nBkgPass*backgroundPass,theZero[0]*backgroundFail)");
RooCategory TnPcat("TnP","TnP") ;
TnPcat.defineType("passing") ;
TnPcat.defineType("failling") ;
RooSimultaneous simPdf("simPdf","simultaneous pdf",TnPcat) ;
simPdf.addPdf(*theWorkSpace->pdf("passing"),"passing") ;
simPdf.addPdf(*theWorkSpace->pdf("failling"),"failling") ;
TString nameofHisto;
if(!(tag_low==0 && tag_high == 0)) nameofHisto = Form(type+"_"+obs+"_"+"leading%0.1f-%0.1f_subleading%0.1f-%0.1f_",tag_low,tag_high,probe_low,probe_high);
else nameofHisto = Form(type+"_"+obs+"_"+"leading25-inf_subleading%0.1f-%0.1f_",probe_low,probe_high);
TH1F *histoPass = (TH1F*) myFile->Get(nameofHisto+"pass");
TH1F *histoFail = (TH1F*) myFile->Get(nameofHisto+"fail");
TH1F *histoAll = (TH1F*) myFile->Get(nameofHisto+"all");
RooDataHist *dataPass= new RooDataHist("dataPass","dataPass",*theWorkSpace->var("invMass"),histoPass);
RooDataHist *dataFail = new RooDataHist("dataFail","dataFail",*theWorkSpace->var("invMass"),histoFail);
RooDataHist *dataAll = new RooDataHist("dataAll","dataAll",*theWorkSpace->var("invMass"),histoAll);
RooDataHist combData("combData","combined data",*theWorkSpace->var("invMass"),Index(TnPcat),Import("passing",*dataPass),Import("failling",*dataFail)) ;
simPdf.fitTo(combData) ;
simPdf.fitTo(combData) ;
simPdf.fitTo(combData) ;
//// cout << "failling = " << theWorkSpace->obj("nBkgPass")->getVal() << endl;
RooPlot* xframe = theWorkSpace->var("invMass")->frame(Title("TnP model Passing"),Bins(50)) ;
dataPass->plotOn(xframe);
theWorkSpace->pdf("passing")->plotOn(xframe,LineColor(kGreen));
theWorkSpace->pdf("passing")->plotOn(xframe,Components(*theWorkSpace->pdf("backgroundPass")), LineStyle(kDashed),LineColor(kGreen));
RooPlot* xframe2 = theWorkSpace->var("invMass")->frame(Title("TnP model Failling"),Bins(50)) ;
dataFail->plotOn(xframe2);
theWorkSpace->pdf("failling")->plotOn(xframe2,LineColor(kRed));
theWorkSpace->pdf("failling")->plotOn(xframe2,Components(*theWorkSpace->pdf("backgroundFail")), LineStyle(kDashed),LineColor(kRed));
RooPlot* xframe3 = theWorkSpace->var("invMass")->frame(Title("TnP model Total"),Bins(50)) ;
dataAll->plotOn(xframe3);
theWorkSpace->pdf("tot")->plotOn(xframe3,LineColor(kBlue));
int numTot = theWorkSpace->var("numTot")->getVal();
float fSigAll = theWorkSpace->var("fSigAll")->getVal();
float efficiency = theWorkSpace->var("efficiency")->getVal();
float effBkg = theWorkSpace->var("effBkg")->getVal();
*theEfficiency = theWorkSpace->var("efficiency")->getVal();
*theEffError = theWorkSpace->var("efficiency")->getError();
float efficiencyErr = theWorkSpace->var("efficiency")->getError();
int nbPass = (int) (efficiency*fSigAll*numTot+effBkg*(1-fSigAll)*numTot);
int nbFail = (int) ((1-efficiency)*fSigAll*numTot + (1-effBkg)*(1-fSigAll)*numTot);
cout <<"nb pass " <<nbPass << endl;
cout << "nbfail " << nbFail << endl;
TCanvas *c0 = new TCanvas("c0","coucou",800,800);
c0->SetFillColor(0);
c0->Divide(2,2);
c0->cd(1);
xframe->Draw();
c0->cd(2);
xframe2->Draw();
c0->cd(3);
xframe3->Draw();
c0->Print(type+"_"+ref+"_"+Form(obs+"_"+"leading%0.1f-%0.1f_subleading%0.1f-%0.1f.png",tag_low,tag_high,probe_low,probe_high));
}
void performTheFitsMuons(TString type, TString ref){
//TString samples[] = {"2017RunB","2017RunC", "2017RunD", "2017RunE", "2017RunF", "2017DY", "data"};
//TString samples[] = {"2017DY"};//, "data"};
gStyle->SetOptStat(0);
myFile = new TFile("histo3D_"+type+"_"+ref+".root");
int nbPtBins = sizeof(ptBins)/sizeof(Float_t)-1;
//float ptBins[] = {25, 50,75,100,150, 200};
int nbEtaBins = sizeof(etaBins)/sizeof(Float_t)-1 ;
//float etaBins[] = {0.0, 0.6, 1.2, 1.8, 2.4};
// float etaBins[15] = {-2.4,-2.1,-1.6,-1.2,-0.9,-0.3,-0.2,0, 0.2,0.3,0.9,1.2,1.6,2.1,2.4};
TH2F *efficiencies_eta = new TH2F("efficiencies_soupMC_"+type+"_eta","",nbEtaBins, etaBins, nbEtaBins, etaBins);
TH2F *efficiencies_pt = new TH2F("efficiencies_soupMC_"+type+"_pt","",nbPtBins, ptBins, nbPtBins, ptBins);
TH2F *efficiencies_pt_eta = new TH2F("efficiencies_ref_"+type+"_pt_eta","",nbPtBins, ptBins, nbEtaBins, etaBins);
TH1F *efficiencies_subleading = new TH1F("efficiencies_subleadingpt","efficiencies_subleadingpt",nbPtBins,ptBins);
RooWorkspace* voigtPlusExpo = new RooWorkspace("voigtPlusExpo");
voigtPlusExpo->factory("invMass[90,70,120]");
voigtPlusExpo->factory("Voigtian::signalPass(invMass, mean1p[90,80,100], width1p[2.495], sigma1p[3,1,20])");
// voigtPlusExpo->factory("Voigtian::theSig2p(invMass, mean2p[90,80,100], width2p[2.495], sigma2p[3,1,20])");
// voigtPlusExpo->factory("SUM::signalPass(vPropp[0.8,0,1]*theSig1p,theSig2p)");
voigtPlusExpo->factory("Voigtian::signalFail(invMass, mean1f[90,80,100], width1f[3,1,2], sigma1f[3,0,20])");
// voigtPlusExpo->factory("Voigtian::theSig2f(invMass, mean2f[90,80,100], width2f[3,1,2], sigma2f[3,0,20])");
// voigtPlusExpo->factory("SUM::signalFail(vPropf[0.8,0,1]*theSig1f,theSig2f)");
voigtPlusExpo->factory("Exponential::backgroundPass(invMass, lp[0,-5,5])");
voigtPlusExpo->factory("Exponential::backgroundFail(invMass, lf[0,-5,5])");
voigtPlusExpo->factory("efficiency[0.9,0,1]");
voigtPlusExpo->factory("signalFractionInPassing[0.9]");
float effVal, effErr;
for (int i = 0 ; i < nbEtaBins ; i++){
for (int j = 0 ; j < nbEtaBins ; j++){
doFit(type,ref,"abseta",etaBins[i],etaBins[i+1],etaBins[j],etaBins[j+1],voigtPlusExpo, &effVal, &effErr);
cout << "val=" << effVal << " error=" << effErr << endl;
cout<<"test\n\n\n\n\n\n\n"<<endl;
efficiencies_eta->SetBinContent(i+1,j+1,effVal);
efficiencies_eta->SetBinError(i+1,j+1,effErr);
}
}
for (int i = 0 ; i < nbPtBins ; i++){
for (int j = 0 ; j < nbPtBins ; j++){
doFit(type,ref, "pt",ptBins[i],ptBins[i+1],ptBins[j],ptBins[j+1],voigtPlusExpo, &effVal, &effErr);
cout << "val=" << effVal << " error=" << effErr << endl;
cout<<"test\n\n\n\n\n\n\n"<<endl;
efficiencies_pt->SetBinContent(i+1,j+1,effVal);
efficiencies_pt->SetBinError(i+1,j+1,effErr);
cout<<"test"<<endl;
}
}
for (int i = 0 ; i < nbPtBins ; i++){
doFit(type,ref, "pt",0,0,ptBins[i],ptBins[i+1],voigtPlusExpo, &effVal, &effErr);
cout << "val=" << effVal << " error=" << effErr << endl;
efficiencies_subleading->SetBinContent(i+1,effVal);
efficiencies_subleading->SetBinError(i+1,effErr);
cout<<"test"<<endl;
}
for (int i = 0 ; i < nbPtBins ; i++){
for (int j = 0 ; j < nbEtaBins ; j++){
doFit(type,ref, "ptWithEtaBin",ptBins[i],ptBins[i+1],etaBins[j],etaBins[j+1],voigtPlusExpo, &effVal, &effErr);
cout << "val=" << effVal << " error=" << effErr << endl;
efficiencies_pt_eta->SetBinContent(i+1,j+1,effVal);
efficiencies_pt_eta->SetBinError(i+1,j+1,effErr);
cout<<"test"<<endl;
}
}
TFile *myOutFile = new TFile("soupEfficencyMuons_"+type+"_"+ref+".root","recreate");
efficiencies_eta->Write();
efficiencies_pt->Write();
efficiencies_pt_eta->Write();
efficiencies_subleading->Write();
myOutFile->Close();
}