void yieldTest()
{
printf("YIELD::\n");
for_yield(str, yieldList())
{
printf("Yield2 : '%s'\n", M(str, c_str));
delete(str);
}
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 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;
}
