void FitterUtils::fit(bool wantplot, bool constPartReco, double fracPartReco_const, ofstream& out, TTree* t, bool update, string plotsfile) { //***************Get the PDFs from the workspace TFile fw(workspacename.c_str()); RooWorkspace* workspace = (RooWorkspace*)fw.Get("workspace"); RooRealVar *B_plus_M = workspace->var("B_plus_M"); RooRealVar *misPT = workspace->var("misPT"); RooRealVar *T = workspace->var("T"); RooRealVar *n = workspace->var("n"); RooRealVar *expoConst = workspace->var("expoConst"); RooRealVar *trueExp = workspace->var("trueExp"); RooRealVar *fractionalErrorJpsiLeak = workspace->var("fractionalErrorJpsiLeak"); cout<<"VALUE OF T IN FIT: "<<T->getVal()<<" +- "<<T->getError()<<endl; cout<<"VALUE OF n IN FIT: "<<n->getVal()<<" +- "<<n->getError()<<endl; RooHistPdf *histPdfSignalZeroGamma = (RooHistPdf *) workspace->pdf("histPdfSignalZeroGamma"); RooHistPdf *histPdfSignalOneGamma = (RooHistPdf *) workspace->pdf("histPdfSignalOneGamma"); RooHistPdf *histPdfSignalTwoGamma = (RooHistPdf *) workspace->pdf("histPdfSignalTwoGamma"); RooHistPdf *histPdfPartReco = (RooHistPdf *) workspace->pdf("histPdfPartReco"); RooHistPdf *histPdfJpsiLeak(0); if(nGenJpsiLeak>0) histPdfJpsiLeak = (RooHistPdf *) workspace->pdf("histPdfJpsiLeak"); RooAbsPdf *combPDF; if (fit2D) { combPDF = new RooPTMVis("combPDF", "combPDF", *misPT, *B_plus_M, *T, *n, *expoConst); } else { combPDF = new RooExponential("combPDF", "combPDF", *B_plus_M, *expoConst); } expoConst->setVal(trueExp->getVal()); RooWorkspace* workspaceGen = (RooWorkspace*)fw.Get("workspaceGen"); RooDataSet* dataGenSignalZeroGamma = (RooDataSet*)workspaceGen->data("dataGenSignalZeroGamma"); RooDataSet* dataGenSignalOneGamma = (RooDataSet*)workspaceGen->data("dataGenSignalOneGamma"); RooDataSet* dataGenSignalTwoGamma = (RooDataSet*)workspaceGen->data("dataGenSignalTwoGamma"); RooDataSet* dataGenPartReco = (RooDataSet*)workspaceGen->data("dataGenPartReco"); RooDataSet* dataGenComb = (RooDataSet*)workspaceGen->data("dataGenComb"); RooDataSet* dataGenJpsiLeak(0); if(nGenJpsiLeak>0) dataGenJpsiLeak = (RooDataSet*)workspaceGen->data("dataGenJpsiLeak"); if(wantplot) { //**************Must get the datasets RooDataSet* dataSetSignalZeroGamma = (RooDataSet*)workspace->data("dataSetSignalZeroGamma"); RooDataSet* dataSetSignalOneGamma = (RooDataSet*)workspace->data("dataSetSignalOneGamma"); RooDataSet* dataSetSignalTwoGamma = (RooDataSet*)workspace->data("dataSetSignalTwoGamma"); RooDataSet* dataSetPartReco = (RooDataSet*)workspace->data("dataSetPartReco"); RooDataSet* dataSetComb = (RooDataSet*)workspace->data("dataSetComb"); RooDataSet* dataSetJpsiLeak = (RooDataSet*)workspace->data("dataSetJpsiLeak"); //**************Plot all the different components cout<<"dataGenSignalZeroGamma: "<<dataGenSignalZeroGamma<<endl; PlotShape(*dataSetSignalZeroGamma, *dataGenSignalZeroGamma, *histPdfSignalZeroGamma, plotsfile, "cSignalZeroGamma", *B_plus_M, *misPT); PlotShape(*dataSetSignalOneGamma, *dataGenSignalOneGamma, *histPdfSignalOneGamma, plotsfile, "cSignalOneGamma", *B_plus_M, *misPT); PlotShape(*dataSetSignalTwoGamma, *dataGenSignalTwoGamma, *histPdfSignalTwoGamma, plotsfile, "cSignalTwoGamma", *B_plus_M, *misPT); PlotShape(*dataSetPartReco, *dataGenPartReco, *histPdfPartReco, plotsfile, "cPartReco", *B_plus_M, *misPT); PlotShape(*dataSetComb, *dataGenComb, *combPDF, plotsfile, "cComb", *B_plus_M, *misPT); if(nGenJpsiLeak>1) PlotShape(*dataSetJpsiLeak, *dataGenJpsiLeak, *histPdfJpsiLeak, plotsfile, "cJpsiLeak", *B_plus_M, *misPT); } //***************Merge datasets RooDataSet* dataGenTot(dataGenPartReco); dataGenTot->append(*dataGenSignalZeroGamma); dataGenTot->append(*dataGenSignalOneGamma); dataGenTot->append(*dataGenSignalTwoGamma); dataGenTot->append(*dataGenComb); if(nGenJpsiLeak>0) dataGenTot->append(*dataGenJpsiLeak); //**************Prepare fitting function RooRealVar nSignal("nSignal", "#signal events", 1.*nGenSignal, nGenSignal-7*sqrt(nGenSignal), nGenSignal+7*sqrt(nGenSignal)); RooRealVar nPartReco("nPartReco", "#nPartReco", 1.*nGenPartReco, nGenPartReco-7*sqrt(nGenPartReco), nGenPartReco+7*sqrt(nGenPartReco)); RooRealVar nComb("nComb", "#nComb", 1.*nGenComb, nGenComb-7*sqrt(nGenComb), nGenComb+7*sqrt(nGenComb)); RooRealVar nJpsiLeak("nJpsiLeak", "#nJpsiLeak", 1.*nGenJpsiLeak, nGenJpsiLeak-7*sqrt(nGenJpsiLeak), nGenJpsiLeak+7*sqrt(nGenJpsiLeak)); RooRealVar fracZero("fracZero", "fracZero",0.5,0,1); RooRealVar fracOne("fracOne", "fracOne",0.5, 0,1); RooFormulaVar fracPartReco("fracPartReco", "nPartReco/nSignal", RooArgList(nPartReco,nSignal)); RooFormulaVar fracOneRec("fracOneRec", "(1-fracZero)*fracOne", RooArgList(fracZero, fracOne)); RooAddPdf histPdfSignal("histPdfSignal", "histPdfSignal", RooArgList(*histPdfSignalZeroGamma, *histPdfSignalOneGamma, *histPdfSignalTwoGamma), RooArgList(fracZero, fracOneRec)); RooArgList pdfList(histPdfSignal, *histPdfPartReco, *combPDF); RooArgList yieldList(nSignal, nPartReco, nComb); if(nGenJpsiLeak>0) { pdfList.add(*histPdfJpsiLeak); yieldList.add(nJpsiLeak); } RooAddPdf totPdf("totPdf", "totPdf", pdfList, yieldList); //**************** Constrain the fraction of zero and one photon int nGenSignalZeroGamma(floor(nGenFracZeroGamma*nGenSignal)); int nGenSignalOneGamma(floor(nGenFracOneGamma*nGenSignal)); int nGenSignalTwoGamma(floor(nGenSignal-nGenSignalZeroGamma-nGenSignalOneGamma)); RooRealVar fracZeroConstMean("fracZeroConstMean", "fracZeroConstMean", nGenSignalZeroGamma*1./nGenSignal); RooRealVar fracZeroConstSigma("fracZeroConstSigma", "fracZeroConstSigma", sqrt(nGenSignalZeroGamma)/nGenSignal); RooGaussian fracZeroConst("fracZeroConst", "fracZeroConst", fracZero, fracZeroConstMean, fracZeroConstSigma); RooRealVar fracOneConstMean("fracOneConstMean", "fracOneConstMean", nGenSignalOneGamma*1./nGenSignal/(1-fracZeroConstMean.getVal())); RooRealVar fracOneConstSigma("fracOneConstSigma", "fracOneConstSigma", sqrt(nGenSignalOneGamma)/nGenSignal/(1-fracZeroConstMean.getVal())); RooGaussian fracOneConst("fracOneConst", "fracOneConst", fracOne, fracOneConstMean, fracOneConstSigma); RooRealVar fracPartRecoMean("fracPartRecoMean", "fracPartRecoMean", nGenPartReco/(1.*nGenSignal)); RooRealVar fracPartRecoSigma("fracPartRecoSigma", "fracPartRecoSigma", fracPartReco_const*fracPartRecoMean.getVal()); RooGaussian fracPartRecoConst("fracPartRecoConst", "fracPartRecoConst", fracPartReco, fracPartRecoMean, fracPartRecoSigma); RooRealVar JpsiLeakMean("JpsiLeakMean", "JpsiLeakMean", nGenJpsiLeak); RooRealVar JpsiLeakSigma("JpsiLeakSigma", "JpsiLeakSigma", nGenJpsiLeak*fractionalErrorJpsiLeak->getVal()); RooGaussian JpsiLeakConst("JpsiLeakConst", "JpsiLeakConst", nJpsiLeak, JpsiLeakMean, JpsiLeakSigma); //Extra TEST CONSTRAINT //RooRealVar combConstMean("combConstMean", "combConstMean", nGenComb); //RooRealVar combConstSigma("combConstSigma", "combConstSigma", 7.7); //RooGaussian combConst("combConst", "combConst", nComb, combConstMean, combConstSigma); //**************** fit RooAbsReal::defaultIntegratorConfig()->setEpsAbs(1e-8) ; RooAbsReal::defaultIntegratorConfig()->setEpsRel(1e-8) ; RooArgSet *par_set = totPdf.getParameters(dataGenTot); initiateParams(nGenSignalZeroGamma, nGenSignalOneGamma, nGenSignalTwoGamma, *trueExp, nSignal, nPartReco, nComb, fracZero, fracOne, *expoConst, nJpsiLeak, constPartReco, fracPartRecoSigma); RooArgSet constraints(fracZeroConst, fracOneConst); if (constPartReco) constraints.add(fracPartRecoConst); if(nGenJpsiLeak>0) constraints.add(JpsiLeakConst); RooAbsReal* nll = totPdf.createNLL(*dataGenTot, Extended(), ExternalConstraints(constraints)); RooMinuit minuit(*nll); minuit.setStrategy(2); int migradRes(1); int hesseRes(4); vector<int> migradResVec; vector<int> hesseResVec; double edm(10); int nrefit(0); RooFitResult* fitRes(0); vector<RooFitResult*> fitResVec; bool hasConverged(false); for(int i(0); (i<10) && !hasConverged ; ++i) { initiateParams(nGenSignalZeroGamma, nGenSignalOneGamma, nGenSignalTwoGamma, *trueExp, nSignal, nPartReco, nComb, fracZero, fracOne, *expoConst, nJpsiLeak, constPartReco, fracPartRecoSigma); cout<<"FITTING: starting with nsignal = "<<nSignal.getValV()<<" refit nbr. "<<i<<endl; //if(fitRes != NULL && fitRes != 0) delete fitRes; migradRes = minuit.migrad(); hesseRes = minuit.hesse(); fitRes = minuit.save(); edm = fitRes->edm(); fitResVec.push_back(fitRes); migradResVec.push_back(migradRes); hesseResVec.push_back(hesseRes); if( migradRes == 0 && hesseRes == 0 && edm < 1e-4 ) hasConverged = true; ++nrefit; cout<<"Fitting nbr "<<i<<" done. Hesse: "<<hesseRes<<" migrad: "<<migradRes<<" edm: "<<edm<<" minNll: "<<fitRes->minNll()<<endl; } if(!hasConverged) { double minNll(1e20); int minIndex(-1); for(unsigned int i(0); i<fitResVec.size(); ++i) { if( fitResVec.at(i)->minNll() < minNll) { minIndex = i; minNll = fitResVec[i]->minNll(); } } migradRes = migradResVec.at(minIndex); hesseRes = hesseResVec.at(minIndex); cout<<"Fit not converged, choose fit "<<minIndex<<". Hesse: "<<hesseRes<<" migrad: "<<migradRes<<" edm: "<<edm<<" minNll: "<<fitRes->minNll()<<endl; } fillTreeResult(t, fitRes, update, migradRes, hesseRes, hasConverged); for(unsigned int i(0); i<fitResVec.size(); ++i) delete fitResVec.at(i); //totPdf.fitTo(*dataGenTot, Extended(), Save(), Warnings(false)); //*************** output fit status int w(12); out<<setw(w)<<migradRes<<setw(w)<<hesseRes<<setw(w)<<edm<<setw(w)<<nrefit<<endl; if(wantplot) plot_fit_result(plotsfile, totPdf, *dataGenTot); fw.Close(); //delete and return delete nll; delete par_set; delete workspace; delete workspaceGen; delete combPDF; }
void FitterUtilsSimultaneousExpOfPolyTimesX::fit(bool wantplot, bool constPartReco, double fracPartReco_const, ofstream& out, TTree* t, bool update, string plotsfile) { //***************Get the PDFs from the workspace TFile fw(workspacename.c_str()); RooWorkspace* workspace = (RooWorkspace*)fw.Get("workspace"); RooRealVar *B_plus_M = workspace->var("B_plus_M"); RooRealVar *misPT = workspace->var("misPT"); RooRealVar *l1Kee = workspace->var("l1Kee"); RooRealVar *l2Kee = workspace->var("l2Kee"); RooRealVar *l3Kee = workspace->var("l3Kee"); RooRealVar *l4Kee = workspace->var("l4Kee"); RooRealVar *l5Kee = workspace->var("l5Kee"); RooRealVar *l1KeeGen = workspace->var("l1KeeGen"); RooRealVar *l2KeeGen = workspace->var("l2KeeGen"); RooRealVar *l3KeeGen = workspace->var("l3KeeGen"); RooRealVar *l4KeeGen = workspace->var("l4KeeGen"); RooRealVar *l5KeeGen = workspace->var("l5KeeGen"); RooRealVar *fractionalErrorJpsiLeak = workspace->var("fractionalErrorJpsiLeak"); RooRealVar l1Kemu(*l1Kee); l1Kemu.SetName("l1Kemu"); l1Kemu.SetTitle("l1Kemu"); RooRealVar l2Kemu(*l2Kee); l2Kemu.SetName("l2Kemu"); l2Kemu.SetTitle("l2Kemu"); RooRealVar l3Kemu(*l3Kee); l3Kemu.SetName("l3Kemu"); l3Kemu.SetTitle("l3Kemu"); RooRealVar l4Kemu(*l4Kee); l4Kemu.SetName("l4Kemu"); l4Kemu.SetTitle("l4Kemu"); RooRealVar l5Kemu(*l5Kee); l5Kemu.SetName("l5Kemu"); l5Kemu.SetTitle("l5Kemu"); RooHistPdf *histPdfSignalZeroGamma = (RooHistPdf *) workspace->pdf("histPdfSignalZeroGamma"); RooHistPdf *histPdfSignalOneGamma = (RooHistPdf *) workspace->pdf("histPdfSignalOneGamma"); RooHistPdf *histPdfSignalTwoGamma = (RooHistPdf *) workspace->pdf("histPdfSignalTwoGamma"); RooHistPdf *histPdfPartReco = (RooHistPdf *) workspace->pdf("histPdfPartReco"); RooHistPdf *histPdfJpsiLeak(0); if(nGenJpsiLeak>0) histPdfJpsiLeak = (RooHistPdf *) workspace->pdf("histPdfJpsiLeak"); //Here set in the Kemu PDF the parameters that have to be shared RooExpOfPolyTimesX* combPDF = new RooExpOfPolyTimesX("combPDF", "combPDF", *B_plus_M, *misPT, *l1Kee, *l2Kee, *l3Kee, *l4Kee, *l5Kee); RooExpOfPolyTimesX* KemuPDF = new RooExpOfPolyTimesX("kemuPDF", "kemuPDF", *B_plus_M, *misPT, l1Kemu, *l2Kee, *l3Kee, *l4Kee, *l5Kee); RooWorkspace* workspaceGen = (RooWorkspace*)fw.Get("workspaceGen"); RooDataSet* dataGenSignalZeroGamma = (RooDataSet*)workspaceGen->data("dataGenSignalZeroGamma"); RooDataSet* dataGenSignalOneGamma = (RooDataSet*)workspaceGen->data("dataGenSignalOneGamma"); RooDataSet* dataGenSignalTwoGamma = (RooDataSet*)workspaceGen->data("dataGenSignalTwoGamma"); RooDataSet* dataGenPartReco = (RooDataSet*)workspaceGen->data("dataGenPartReco"); RooDataSet* dataGenComb = (RooDataSet*)workspaceGen->data("dataGenComb"); RooDataSet* dataGenKemu = (RooDataSet*)workspaceGen->data("dataGenKemu"); RooDataSet* dataGenJpsiLeak(0); if(nGenJpsiLeak>0) dataGenJpsiLeak = (RooDataSet*)workspaceGen->data("dataGenJpsiLeak"); if(wantplot) { //**************Must get the datasets RooDataSet* dataSetSignalZeroGamma = (RooDataSet*)workspace->data("dataSetSignalZeroGamma"); RooDataSet* dataSetSignalOneGamma = (RooDataSet*)workspace->data("dataSetSignalOneGamma"); RooDataSet* dataSetSignalTwoGamma = (RooDataSet*)workspace->data("dataSetSignalTwoGamma"); RooDataSet* dataSetPartReco = (RooDataSet*)workspace->data("dataSetPartReco"); RooDataSet* dataSetComb = (RooDataSet*)workspace->data("dataSetComb"); RooDataSet* dataSetJpsiLeak = (RooDataSet*)workspace->data("dataSetJpsiLeak"); //**************Plot all the different components cout<<"dataGenSignalZeroGamma: "<<dataGenSignalZeroGamma<<endl; PlotShape(*dataSetSignalZeroGamma, *dataGenSignalZeroGamma, *histPdfSignalZeroGamma, plotsfile, "cSignalZeroGamma", *B_plus_M, *misPT); PlotShape(*dataSetSignalOneGamma, *dataGenSignalOneGamma, *histPdfSignalOneGamma, plotsfile, "cSignalOneGamma", *B_plus_M, *misPT); PlotShape(*dataSetSignalTwoGamma, *dataGenSignalTwoGamma, *histPdfSignalTwoGamma, plotsfile, "cSignalTwoGamma", *B_plus_M, *misPT); PlotShape(*dataSetPartReco, *dataGenPartReco, *histPdfPartReco, plotsfile, "cPartReco", *B_plus_M, *misPT); PlotShape(*dataSetComb, *dataGenComb, *combPDF, plotsfile, "cComb", *B_plus_M, *misPT); if(nGenJpsiLeak>1) PlotShape(*dataSetJpsiLeak, *dataGenJpsiLeak, *histPdfJpsiLeak, plotsfile, "cJpsiLeak", *B_plus_M, *misPT); } //***************Merge datasets RooDataSet* dataGenTot(dataGenPartReco); dataGenTot->append(*dataGenSignalZeroGamma); dataGenTot->append(*dataGenSignalOneGamma); dataGenTot->append(*dataGenSignalTwoGamma); dataGenTot->append(*dataGenComb); if(nGenJpsiLeak>0) dataGenTot->append(*dataGenJpsiLeak); //**************Create index category and join samples RooCategory category("category", "category"); category.defineType("Kee"); category.defineType("Kemu"); RooDataSet dataGenSimultaneous("dataGenSimultaneous", "dataGenSimultaneous", RooArgSet(*B_plus_M, *misPT), Index(category), Import("Kee", *dataGenTot), Import("Kemu", *dataGenKemu)); //**************Prepare fitting function RooRealVar nSignal("nSignal", "#signal events", 1.*nGenSignal, nGenSignal-7*sqrt(nGenSignal), nGenSignal+7*sqrt(nGenSignal)); RooRealVar nPartReco("nPartReco", "#nPartReco", 1.*nGenPartReco, nGenPartReco-7*sqrt(nGenPartReco), nGenPartReco+7*sqrt(nGenPartReco)); RooRealVar nComb("nComb", "#nComb", 1.*nGenComb, nGenComb-7*sqrt(nGenComb), nGenComb+7*sqrt(nGenComb)); RooRealVar nKemu("nKemu", "#nKemu", 1.*nGenKemu, nGenKemu-7*sqrt(nGenKemu), nGenKemu+7*sqrt(nGenKemu)); RooRealVar nJpsiLeak("nJpsiLeak", "#nJpsiLeak", 1.*nGenJpsiLeak, nGenJpsiLeak-7*sqrt(nGenJpsiLeak), nGenJpsiLeak+7*sqrt(nGenJpsiLeak)); RooRealVar fracZero("fracZero", "fracZero",0.5,0,1); RooRealVar fracOne("fracOne", "fracOne",0.5, 0,1); RooFormulaVar fracPartReco("fracPartReco", "nPartReco/nSignal", RooArgList(nPartReco,nSignal)); RooFormulaVar fracOneRec("fracOneRec", "(1-fracZero)*fracOne", RooArgList(fracZero, fracOne)); RooAddPdf histPdfSignal("histPdfSignal", "histPdfSignal", RooArgList(*histPdfSignalZeroGamma, *histPdfSignalOneGamma, *histPdfSignalTwoGamma), RooArgList(fracZero, fracOneRec)); RooArgList pdfList(histPdfSignal, *histPdfPartReco, *combPDF); RooArgList yieldList(nSignal, nPartReco, nComb); if(nGenJpsiLeak>0) { pdfList.add(*histPdfJpsiLeak); yieldList.add(nJpsiLeak); } RooAddPdf totPdf("totPdf", "totPdf", pdfList, yieldList); RooExtendPdf totKemuPdf("totKemuPdf", "totKemuPdf", *KemuPDF, nKemu); //**************** Prepare simultaneous PDF RooSimultaneous simPdf("simPdf", "simPdf", category); simPdf.addPdf(totPdf, "Kee"); simPdf.addPdf(totKemuPdf, "Kemu"); //**************** Constrain the fraction of zero and one photon int nGenSignalZeroGamma(floor(nGenFracZeroGamma*nGenSignal)); int nGenSignalOneGamma(floor(nGenFracOneGamma*nGenSignal)); int nGenSignalTwoGamma(floor(nGenSignal-nGenSignalZeroGamma-nGenSignalOneGamma)); RooRealVar fracZeroConstMean("fracZeroConstMean", "fracZeroConstMean", nGenSignalZeroGamma*1./nGenSignal); RooRealVar fracZeroConstSigma("fracZeroConstSigma", "fracZeroConstSigma", sqrt(nGenSignalZeroGamma)/nGenSignal); RooGaussian fracZeroConst("fracZeroConst", "fracZeroConst", fracZero, fracZeroConstMean, fracZeroConstSigma); RooRealVar fracOneConstMean("fracOneConstMean", "fracOneConstMean", nGenSignalOneGamma*1./nGenSignal/(1-fracZeroConstMean.getVal())); RooRealVar fracOneConstSigma("fracOneConstSigma", "fracOneConstSigma", sqrt(nGenSignalOneGamma)/nGenSignal/(1-fracZeroConstMean.getVal())); RooGaussian fracOneConst("fracOneConst", "fracOneConst", fracOne, fracOneConstMean, fracOneConstSigma); RooRealVar fracPartRecoMean("fracPartRecoMean", "fracPartRecoMean", nGenPartReco/(1.*nGenSignal)); RooRealVar fracPartRecoSigma("fracPartRecoSigma", "fracPartRecoSigma", fracPartReco_const*fracPartRecoMean.getVal()); RooGaussian fracPartRecoConst("fracPartRecoConst", "fracPartRecoConst", fracPartReco, fracPartRecoMean, fracPartRecoSigma); RooRealVar JpsiLeakMean("JpsiLeakMean", "JpsiLeakMean", nGenJpsiLeak); RooRealVar JpsiLeakSigma("JpsiLeakSigma", "JpsiLeakSigma", nGenJpsiLeak*fractionalErrorJpsiLeak->getVal()); RooGaussian JpsiLeakConst("JpsiLeakConst", "JpsiLeakConst", nJpsiLeak, JpsiLeakMean, JpsiLeakSigma); //**************** fit RooAbsReal::defaultIntegratorConfig()->setEpsAbs(1e-8) ; RooAbsReal::defaultIntegratorConfig()->setEpsRel(1e-8) ; initiateParams(nGenSignalZeroGamma, nGenSignalOneGamma, nGenSignalTwoGamma, nKemu, nSignal, nPartReco, nComb, fracZero, fracOne, nJpsiLeak, constPartReco, fracPartRecoSigma, *l1Kee, *l2Kee, *l3Kee, *l4Kee, *l5Kee, l1Kemu, l2Kemu, l3Kemu, l4Kemu, l5Kemu, *l1KeeGen, *l2KeeGen, *l3KeeGen, *l4KeeGen, *l5KeeGen); RooArgSet constraints(fracZeroConst, fracOneConst); if (constPartReco) constraints.add(fracPartRecoConst); if(nGenJpsiLeak>0) constraints.add(JpsiLeakConst); RooAbsReal* nll = simPdf.createNLL(dataGenSimultaneous, Extended(), ExternalConstraints(constraints)); RooMinuit minuit(*nll); minuit.setStrategy(2); int migradRes(1); int hesseRes(4); vector<int> migradResVec; vector<int> hesseResVec; double edm(10); int nrefit(0); RooFitResult* fitRes(0); vector<RooFitResult*> fitResVec; bool hasConverged(false); for(int i(0); (i<15) && !hasConverged ; ++i) { initiateParams(nGenSignalZeroGamma, nGenSignalOneGamma, nGenSignalTwoGamma, nKemu, nSignal, nPartReco, nComb, fracZero, fracOne, nJpsiLeak, constPartReco, fracPartRecoSigma, *l1Kee, *l2Kee, *l3Kee, *l4Kee, *l5Kee, l1Kemu, l2Kemu, l3Kemu, l4Kemu, l5Kemu, *l1KeeGen, *l2KeeGen, *l3KeeGen, *l4KeeGen, *l5KeeGen); cout<<"FITTING: starting with nsignal = "<<nSignal.getValV()<<" refit nbr. "<<i<<endl; //if(fitRes != NULL && fitRes != 0) delete fitRes; migradRes = minuit.migrad(); hesseRes = minuit.hesse(); fitRes = minuit.save(); edm = fitRes->edm(); fitResVec.push_back(fitRes); migradResVec.push_back(migradRes); hesseResVec.push_back(hesseRes); if( migradRes == 0 && hesseRes == 0 && edm < 1e-3 ) hasConverged = true; ++nrefit; cout<<"Fitting nbr "<<i<<" done. Hesse: "<<hesseRes<<" migrad: "<<migradRes<<" edm: "<<edm<<" minNll: "<<fitRes->minNll()<<endl; } if(!hasConverged) { double minNll(1e20); int minIndex(-1); for(unsigned int i(0); i<fitResVec.size(); ++i) { if( fitResVec.at(i)->minNll() < minNll) { minIndex = i; minNll = fitResVec[i]->minNll(); } } migradRes = migradResVec.at(minIndex); hesseRes = hesseResVec.at(minIndex); cout<<"Fit not converged, choose fit "<<minIndex<<". Hesse: "<<hesseRes<<" migrad: "<<migradRes<<" edm: "<<edm<<" minNll: "<<fitRes->minNll()<<endl; } fillTreeResult(t, fitRes, update, migradRes, hesseRes, hasConverged); for(unsigned int i(0); i<fitResVec.size(); ++i) delete fitResVec.at(i); //totPdf.fitTo(*dataGenTot, Extended(), Save(), Warnings(false)); //*************** output fit status int w(12); out<<setw(w)<<migradRes<<setw(w)<<hesseRes<<setw(w)<<edm<<setw(w)<<nrefit<<endl; if(wantplot) plot_fit_result(plotsfile, totPdf, *dataGenTot); if(wantplot) plot_kemu_fit_result(plotsfile, totKemuPdf, *dataGenKemu); fw.Close(); //delete and return delete nll; delete workspace; delete workspaceGen; delete combPDF; delete KemuPDF; }
void vertexAssociationFit(TFile* input, TFile* output) { // style gStyle->SetOptStat(0); gStyle->SetOptFit(111); gStyle->SetOptTitle(1); // margins gStyle->SetStatFormat("6.4g"); gStyle->SetFitFormat("5.2g"); gStyle->SetPadTopMargin(0.07); gStyle->SetPadBottomMargin(0.12); gStyle->SetPadLeftMargin(0.1); gStyle->SetPadRightMargin(0.02); // prepare the output // * canvas to put the fit per bin TCanvas* canvas_0 = new TCanvas("FitPerBin","Fit for each vertex bin",1200,900); canvas_0->Divide(4,4); // * canvas to put the plots per bin TCanvas* canvas_1 = new TCanvas("EffPerBin","Efficiency vs purity for each vertex bin",1200,900); canvas_1->Divide(4,4); // * canvas with other plots: slope vs nvertices, efficiency and purity for fixed cut, etc. TCanvas* canvas_2 = new TCanvas("jvAssociation","Efficiency vs purity summary plots",1000,600); canvas_2->Divide(4,2); // summary graphs TGraphErrors* slopeGraph = new TGraphErrors(nbins); slopeGraph->SetNameTitle("slopeGraph","expo slope in each n_PU bin"); TGraphErrors* constGraph = new TGraphErrors(nbins); constGraph->SetNameTitle("constGraph","expo normalization in each n_PU bin"); TGraphErrors* cuteffGraph = new TGraphErrors(nbins); cuteffGraph->SetNameTitle("cuteffGraph","Efficiency in each n_PU bin"); TGraphErrors* cutpurGraph = new TGraphErrors(nbins); cutpurGraph->SetNameTitle("cutpurGraph","Purity in each n_PU bin"); TGraphErrors* effcutGraph = new TGraphErrors(nbins); effcutGraph->SetNameTitle("effcutGraph","Cut for fixed efficiency in each n_PU bin"); TGraphErrors* effpurGraph = new TGraphErrors(nbins); effpurGraph->SetNameTitle("effpurGraph","Purity for fixed efficiency in each n_PU bin"); TGraphErrors* purcutGraph = new TGraphErrors(nbins); purcutGraph->SetNameTitle("purcutGraph","Cut for fixed purity in each n_PU bin"); TGraphErrors* pureffGraph = new TGraphErrors(nbins); pureffGraph->SetNameTitle("pureffGraph","Efficiency for fixed purity in each n_PU bin"); // loop over the directories double slope = 0.; double slopeError = -999.; double constnorm = 0.; double constError = -999.; TGraphErrors* result = NULL; TFitResultPtr fitRes(-1); double x,y, xe,ye; unsigned int index; TString histonames[nbins+1]; TString labelnames[nbins+1]; // get the histogram TH1* evts_per_PUbin = (TH1*)input->Get("finaldistros_ssvhpt/GoodJet/GoodJet_nvertices"); double sumTot(0), effTot(0); TLatex *latexLabel = new TLatex(); latexLabel->SetTextSize(0.05); latexLabel->SetTextFont(42); latexLabel->SetLineWidth(2); latexLabel->SetNDC(); TLatex *latexLabel2 = new TLatex(); latexLabel2->SetTextSize(0.09); latexLabel2->SetTextFont(42); latexLabel2->SetLineWidth(2); latexLabel2->SetNDC(); for(unsigned int i=0; i<=nbins; ++i) { // get the histogram labelnames[i]=Form("n_PU = %d bin",i); std::cout<<"labelnames["<<i<<"]"<<labelnames[i]<<std::endl; histonames[i]=Form("finaldistros_ssvhpt/GoodJet/GoodJet_jetvtx_ratio2b_%d_PUvtx",i); std::cout<<"seizing: histonames["<<i<<"]:"<<histonames[i]<<std::endl; TH1* fraction = (TH1*)input->Get(histonames[i]); //fraction->Rebin(2); // do it canvas_0->cd(i+1); fraction->SetTitle(""); MakeNiceHistoStyle(fraction); if(fraction) vertexAssociationAnalysis(fraction,i,slope,slopeError,constnorm,constError,result,fitRes); latexLabel2->DrawLatex(0.15, 0.85,labelnames[i]); latexLabel2->DrawLatex(0.15, 0.75,"CMS #sqrt{s}= 7 TeV"); gPad->Draw(); gPad->SetLogy(); MakeNiceStatBox(fraction); output->cd(); fraction->Write(); // plot canvas_1->cd(i+1); result->SetTitle(""); MakeNiceGraphStyle(result); result->Draw("alP"); latexLabel->DrawLatex(0.05, 0.95,labelnames[i]); result->GetXaxis()->SetTitle("Purity"); result->GetYaxis()->SetTitle("Efficiency"); result->GetXaxis()->SetRangeUser(0.8,1.2); result->GetYaxis()->SetRangeUser(0.85,1.0); output->cd(); result->Write(); // extract other quantities slopeGraph->SetPoint(i,i,slope); slopeGraph->SetPointError(i,0,slopeError); slopeGraph->GetXaxis()->SetTitle("n_{PU} vertices"); constGraph->SetPoint(i,i,constnorm); constGraph->SetPointError(i,0,constError); constGraph->GetXaxis()->SetTitle("n_{PU} vertices"); index = unsigned(((defaultCut-cutmin)/(cutmax-cutmin)*nSteps)+0.5); findWorkingPoint(result,index,x,y,xe,ye,1); // to compute the weighted efficiency int ivtx_bin=evts_per_PUbin->FindBin(i+1); sumTot+=evts_per_PUbin->GetBinContent(ivtx_bin); effTot+=y*evts_per_PUbin->GetBinContent(ivtx_bin); cuteffGraph->SetPoint(i,i,y); cuteffGraph->SetPointError(i,0,ye); cuteffGraph->GetXaxis()->SetTitle("n_{PU} vertices"); cutpurGraph->SetPoint(i,i,x); cutpurGraph->SetPointError(i,0,xe); cutpurGraph->GetXaxis()->SetTitle("n_{PU} vertices"); x = defaultPur; findWorkingPoint(result,index,x,y,xe,ye,2); purcutGraph->SetPoint(i,i,cutmin+(cutmax-cutmin)/nSteps*index); purcutGraph->GetXaxis()->SetTitle("n_{PU} vertices"); pureffGraph->SetPoint(i,i,y); pureffGraph->SetPointError(i,0,ye); pureffGraph->GetXaxis()->SetTitle("n_{PU} vertices"); y = defaultEff; findWorkingPoint(result,index,x,y,xe,ye,3); effcutGraph->SetPoint(i,i,cutmin+(cutmax-cutmin)/nSteps*index); effcutGraph->GetXaxis()->SetTitle("n_{PU} vertices"); effpurGraph->SetPoint(i,i,x); effpurGraph->SetPointError(i,0,xe); effpurGraph->GetXaxis()->SetTitle("n_{PU} vertices"); std::cout<<"end of other quantities: bin["<<i<<"]"<<std::endl; } std::cout << "Weighted Efficiency" << effTot/sumTot << std::endl; // plot summary graphs TF1* f=NULL; canvas_2->cd(1); MakeNiceGraphStyle(slopeGraph); slopeGraph->Draw("alP"); slopeGraph->Fit("pol1"); f = slopeGraph->GetFunction("pol1"); if(f->GetParError(1)>fabs(f->GetParameter(1))) slopeGraph->Fit("pol0"); canvas_2->cd(2); MakeNiceGraphStyle(constGraph); constGraph->Draw("alP"); constGraph->Fit("pol2"); f = constGraph->GetFunction("pol2"); canvas_2->cd(3); MakeNiceGraphStyle(cuteffGraph); cuteffGraph->Draw("alP"); cuteffGraph->Fit("pol1"); f = cuteffGraph->GetFunction("pol1"); if(f->GetParError(1)>fabs(f->GetParameter(1))) cuteffGraph->Fit("pol0"); latexLabel2->DrawLatex(0.15, 0.15,Form("Jet Fraction cut: %.2f",defaultCut)); canvas_2->cd(4); MakeNiceGraphStyle(cutpurGraph); cutpurGraph->Draw("alP"); cutpurGraph->Fit("pol1"); f = cutpurGraph->GetFunction("pol1"); if(f->GetParError(1)>fabs(f->GetParameter(1))) cutpurGraph->Fit("pol0"); latexLabel2->DrawLatex(0.15, 0.15,Form("Jet Fraction cut: %.2f",defaultCut)); canvas_2->cd(5); MakeNiceGraphStyle(effcutGraph); effcutGraph->Draw("alP"); effcutGraph->Fit("expo"); latexLabel2->DrawLatex(0.15, 0.15,Form("Fixed efficiency: %.2f",defaultEff)); canvas_2->cd(6); MakeNiceGraphStyle(effpurGraph); effpurGraph->Draw("alP"); effpurGraph->Fit("pol1"); f = effpurGraph->GetFunction("pol1"); if(f->GetParError(1)>fabs(f->GetParameter(1))) effpurGraph->Fit("pol0"); latexLabel2->DrawLatex(0.15, 0.15,Form("Fixed efficiency: %.2f",defaultEff)); canvas_2->cd(7); gPad->SetLeftMargin(0.12); MakeNiceGraphStyle(purcutGraph); purcutGraph->Draw("alP"); purcutGraph->Fit("expo"); latexLabel2->DrawLatex(0.15, 0.15,Form("Fixed purity: %.3f",defaultPur)); canvas_2->cd(8); MakeNiceGraphStyle(pureffGraph); pureffGraph->Draw("alP"); pureffGraph->Fit("pol1"); f = pureffGraph->GetFunction("pol1"); if(f->GetParError(1)>fabs(f->GetParameter(1))) pureffGraph->Fit("pol0"); latexLabel2->DrawLatex(0.15, 0.15,Form("Fixed purity: %.3f",defaultPur)); // save output->cd(); canvas_0->Write(); canvas_1->Write(); canvas_2->Write(); canvas_0->SaveAs((TString)(canvas_0->GetName())+".png"); canvas_1->SaveAs((TString)(canvas_1->GetName())+".png"); canvas_2->SaveAs((TString)(canvas_2->GetName())+".png"); }