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Public Member Functions | Protected Attributes

dqmTnP::AbstractFitter Class Reference

#include <GenericTnPFitter.h>

Inheritance diagram for dqmTnP::AbstractFitter:
dqmTnP::GaussianPlusLinearFitter dqmTnP::VoigtianPlusExponentialFitter

List of all members.

Public Member Functions

 AbstractFitter (bool verbose_=false)
TString calculateEfficiency (TH3 *pass, TH3 *all, int massDimension, TProfile2D *&eff, TProfile2D *&effChi2, TString plotName="")
TString calculateEfficiency (TH2 *pass, TH2 *all, int massDimension, TProfile *&eff, TProfile *&effChi2, TString plotName="")
virtual void fit (TH1 *num, TH1 *den)=0
double getChi2 ()
double getEfficiency ()
double getEfficiencyError ()
void savePlot (TString name)
void setup (double expectedMean_, double massLow, double massHigh, double expectedSigma_)
virtual ~AbstractFitter ()

Protected Attributes

RooCategory category
double chi2
RooDataHist * data
RooRealVar efficiency
double expectedMean
double expectedSigma
RooRealVar mass
RooRealVar mean
RooRealVar nBackgroundFail
RooRealVar nBackgroundPass
RooRealVar nSignalAll
RooFormulaVar nSignalFail
RooFormulaVar nSignalPass
RooRealVar sigma
RooSimultaneous simPdf
bool verbose

Detailed Description

Definition at line 23 of file GenericTnPFitter.h.


Constructor & Destructor Documentation

dqmTnP::AbstractFitter::AbstractFitter ( bool  verbose_ = false) [inline]

Definition at line 43 of file GenericTnPFitter.h.

References category, and i.

                                       :
    mass("mass","mass",0.,100.,"GeV"),
    mean("mean","mean",0.,100.,"GeV"),
    sigma("sigma","sigma",0.,100.,"GeV"),
    efficiency("efficiency","efficiency",0.5,0.0,1.0),
    nSignalAll("nSignalAll","nSignalAll",0.,1e10),
    nSignalPass("nSignalPass","nSignalAll*efficiency",RooArgList(nSignalAll,efficiency)),
    nSignalFail("nSignalFail","nSignalAll*(1-efficiency)",RooArgList(nSignalAll,efficiency)),
    nBackgroundFail("nBackgroundFail","nBackgroundFail",0.,1e10),
    nBackgroundPass("nBackgroundPass","nBackgroundPass",0.,1e10),
    category("category","category"),
    simPdf("simPdf","simPdf",category),
    data(0),
    verbose(verbose_)
  {
    //turn on/off default messaging of roofit
    RooMsgService::instance().setSilentMode( !verbose?kTRUE:kFALSE );
    for(int i=0; i<RooMsgService::instance().numStreams(); i++){
      RooMsgService::instance().setStreamStatus( i, verbose?kTRUE:kFALSE );
    }
    category.defineType("pass");
    category.defineType("fail");
  };
virtual dqmTnP::AbstractFitter::~AbstractFitter ( ) [inline, virtual]

Definition at line 66 of file GenericTnPFitter.h.

{};

Member Function Documentation

TString dqmTnP::AbstractFitter::calculateEfficiency ( TH3 *  pass,
TH3 *  all,
int  massDimension,
TProfile2D *&  eff,
TProfile2D *&  effChi2,
TString  plotName = "" 
) [inline]

Definition at line 90 of file GenericTnPFitter.h.

References fit(), getChi2(), getEfficiency(), getEfficiencyError(), getHLTprescales::index, mass, savePlot(), and mathSSE::sqrt().

                                                                                                                                  {
    //sort out the TAxis
    TAxis *par1Axis, *par2Axis, *massAxis;
    int par1C, par2C, massC;
    if(massDimension==1){
      massAxis = all->GetXaxis();
      massC = 1;
      par1Axis = all->GetYaxis();
      par1C = all->GetXaxis()->GetNbins()+2;
      par2Axis = all->GetZaxis();
      par2C = (all->GetXaxis()->GetNbins()+2)*(all->GetYaxis()->GetNbins()+2);
    }else if(massDimension==2){
      par1Axis = all->GetXaxis();
      par1C = 1;
      massAxis = all->GetYaxis();
      massC = all->GetXaxis()->GetNbins()+2;
      par2Axis = all->GetZaxis();
      par2C = (all->GetXaxis()->GetNbins()+2)*(all->GetYaxis()->GetNbins()+2);
    }else if(massDimension==3){
      par1Axis = all->GetXaxis();
      par1C = 1;
      par2Axis = all->GetYaxis();
      par2C = all->GetXaxis()->GetNbins()+2;
      massAxis = all->GetZaxis();
      massC = (all->GetXaxis()->GetNbins()+2)*(all->GetYaxis()->GetNbins()+2);
    }else{
      return "massDimension > 3 !, skipping...";
    }

    //create eff and effChi2 TProfiles
    if(!par1Axis || !par2Axis) return "No par1Axis or par2Axis!";
    if( par1Axis->GetXbins()->GetSize()==0 && par2Axis->GetXbins()->GetSize()==0 ){
      eff = new TProfile2D("efficiency","efficiency",par1Axis->GetNbins(),par1Axis->GetXmin(),par1Axis->GetXmax(),par2Axis->GetNbins(),par2Axis->GetXmin(),par2Axis->GetXmax());
    }else if( par1Axis->GetXbins()->GetSize()==0 ){
      eff = new TProfile2D("efficiency","efficiency",par1Axis->GetNbins(),par1Axis->GetXmin(),par1Axis->GetXmax(),par2Axis->GetNbins(),par2Axis->GetXbins()->GetArray());
    }else if( par2Axis->GetXbins()->GetSize()==0 ){
      eff = new TProfile2D("efficiency","efficiency",par1Axis->GetNbins(),par1Axis->GetXbins()->GetArray(),par2Axis->GetNbins(),par2Axis->GetXmin(),par2Axis->GetXmax());
    }else{
      eff = new TProfile2D("efficiency","efficiency",par1Axis->GetNbins(),par1Axis->GetXbins()->GetArray(),par2Axis->GetNbins(),par2Axis->GetXbins()->GetArray());
    }
    eff->SetTitle("");
    eff->SetXTitle( par1Axis->GetTitle() );
    eff->SetYTitle( par2Axis->GetTitle() );
    eff->SetStats(kFALSE);
    effChi2 = (TProfile2D*)eff->Clone("efficiencyChi2");
    eff->SetZTitle("Efficiency");
    eff->SetOption("colztexte");
    eff->GetZaxis()->SetRangeUser(-0.001,1.001);
    effChi2->SetZTitle("Chi^2/NDF");
    effChi2->SetOption("colztext");

    //create the 1D mass distribution container histograms
    TH1D* all1D = (massAxis->GetXbins()->GetSize()==0) ?
      new TH1D("all1D","all1D",massAxis->GetNbins(),massAxis->GetXmin(),massAxis->GetXmax()):
      new TH1D("all1D","all1D",massAxis->GetNbins(),massAxis->GetXbins()->GetArray()); 
    TH1D* pass1D = (TH1D *)all1D->Clone("pass1D");

    //for each parameter bin fit the mass distributions
    for(int par1=1; par1<=par1Axis->GetNbins(); par1++){
      for(int par2=1; par2<=par2Axis->GetNbins(); par2++){
        for(int mass=1; mass<=massAxis->GetNbins(); mass++){
          int index = par1*par1C + par2*par2C + mass*massC;
          all1D->SetBinContent(mass,all->GetBinContent(index));
          pass1D->SetBinContent(mass,pass->GetBinContent(index));
        }
        fit( pass1D, all1D );
        int index = par1 + par2*(par1Axis->GetNbins()+2);
        eff->SetBinContent( index, getEfficiency() );
        eff->SetBinEntries( index, 1 );
        eff->SetBinError( index, sqrt( getEfficiency()*getEfficiency() + getEfficiencyError()*getEfficiencyError() ) );
        effChi2->SetBinContent( index, getChi2() );
        effChi2->SetBinEntries( index, 1 );
        if(plotName!=""){
          savePlot( TString::Format("%s_%d_%d",plotName.Data(),par1,par2) );
        }
      }
    }
    delete all1D;
    delete pass1D;
    return "";//OK
  }
TString dqmTnP::AbstractFitter::calculateEfficiency ( TH2 *  pass,
TH2 *  all,
int  massDimension,
TProfile *&  eff,
TProfile *&  effChi2,
TString  plotName = "" 
) [inline]

Definition at line 172 of file GenericTnPFitter.h.

References fit(), getChi2(), getEfficiency(), getEfficiencyError(), getHLTprescales::index, mass, savePlot(), and mathSSE::sqrt().

                                                                                                                              {
    //sort out the TAxis
    TAxis *par1Axis, *massAxis;
    int par1C, massC;
    if(massDimension==1){
      massAxis = all->GetXaxis();
      massC = 1;
      par1Axis = all->GetYaxis();
      par1C = all->GetXaxis()->GetNbins()+2;
    }else if(massDimension==2){
      par1Axis = all->GetXaxis();
      par1C = 1;
      massAxis = all->GetYaxis();
      massC = all->GetXaxis()->GetNbins()+2;
    }else{
      return "massDimension > 2 !, skipping...";
    }

    //create eff and effChi2 TProfiles
    if(!par1Axis) return "No par1Axis!";
    eff = (par1Axis->GetXbins()->GetSize()==0)?
      new TProfile("efficiency","efficiency",par1Axis->GetNbins(),par1Axis->GetXmin(),par1Axis->GetXmax()):
      new TProfile("efficiency","efficiency",par1Axis->GetNbins(),par1Axis->GetXbins()->GetArray());
    eff->SetTitle("");
    eff->SetXTitle( par1Axis->GetTitle() );
    eff->SetLineColor(2);
    eff->SetLineWidth(2);
    eff->SetMarkerStyle(20);
    eff->SetMarkerSize(0.8);
    eff->SetStats(kFALSE);
    effChi2 = (TProfile*)eff->Clone("efficiencyChi2");
    eff->SetYTitle("Efficiency");
    eff->SetOption("PE");
    eff->GetYaxis()->SetRangeUser(-0.001,1.001);
    effChi2->SetYTitle("Chi^2/NDF");
    effChi2->SetOption("HIST");

    //create the 1D mass distribution container histograms
    TH1D * all1D = (massAxis->GetXbins()->GetSize()==0) ?
      new TH1D("all1D","all1D",massAxis->GetNbins(),massAxis->GetXmin(),massAxis->GetXmax()):
      new TH1D("all1D","all1D",massAxis->GetNbins(),massAxis->GetXbins()->GetArray()); 
    TH1D * pass1D = (TH1D *)all1D->Clone("pass1D");

    //for each parameter bin fit the mass distributions
    for(int par1=1; par1<=par1Axis->GetNbins(); par1++){
      for(int mass=1; mass<=massAxis->GetNbins(); mass++){
        int index = par1*par1C + mass*massC;
        all1D->SetBinContent(mass,all->GetBinContent(index));
        pass1D->SetBinContent(mass,pass->GetBinContent(index));
      }
      fit( pass1D, all1D );
      int index = par1;
      eff->SetBinContent( index, getEfficiency() );
      eff->SetBinEntries( index, 1 );
      eff->SetBinError( index, sqrt( getEfficiency()*getEfficiency() + getEfficiencyError()*getEfficiencyError() ) );
      effChi2->SetBinContent( index, getChi2() );
      effChi2->SetBinEntries( index, 1 );
      if(plotName!=""){
        savePlot( TString::Format("%s_%d",plotName.Data(),par1) );
      }
    }
    delete all1D;
    delete pass1D;
    return "";//OK
  }
virtual void dqmTnP::AbstractFitter::fit ( TH1 *  num,
TH1 *  den 
) [pure virtual]
double dqmTnP::AbstractFitter::getChi2 ( ) [inline]

Definition at line 76 of file GenericTnPFitter.h.

References chi2.

Referenced by calculateEfficiency().

{ return chi2; }
double dqmTnP::AbstractFitter::getEfficiency ( ) [inline]

Definition at line 74 of file GenericTnPFitter.h.

References efficiency.

Referenced by calculateEfficiency().

{ return efficiency.getVal(); }
double dqmTnP::AbstractFitter::getEfficiencyError ( ) [inline]

Definition at line 75 of file GenericTnPFitter.h.

References efficiency.

Referenced by calculateEfficiency().

{ return efficiency.getError(); }
void dqmTnP::AbstractFitter::savePlot ( TString  name) [inline]

Definition at line 77 of file GenericTnPFitter.h.

References category, data, mass, and simPdf.

Referenced by calculateEfficiency().

                             {
    using namespace RooFit;
    RooPlot* frame = mass.frame(Name(name), Title("Failing and Passing Probe Distributions"));
    data->plotOn(frame,Cut("category==category::pass"),LineColor(kGreen),MarkerColor(kGreen));
    data->plotOn(frame,Cut("category==category::fail"),LineColor(kRed),MarkerColor(kRed));
    simPdf.plotOn(frame,Slice(category,"pass"),ProjWData(category,*data),LineColor(kGreen));
    simPdf.plotOn(frame,Slice(category,"fail"),ProjWData(category,*data),LineColor(kRed));
    simPdf.paramOn(frame,Layout(0.58,0.99,0.99));
    data->statOn(frame,Layout(0.70,0.99,0.5));
    frame->Write();
    delete frame;
  }
void dqmTnP::AbstractFitter::setup ( double  expectedMean_,
double  massLow,
double  massHigh,
double  expectedSigma_ 
) [inline]

Definition at line 67 of file GenericTnPFitter.h.

References expectedMean, expectedSigma, mass, and mean.

Referenced by DQMGenericTnPClient::calculateEfficiency().

                                                                                          {
    expectedMean = expectedMean_;
    expectedSigma = expectedSigma_;
    mass.setRange(massLow,massHigh);
    mean.setRange(massLow,massHigh);
  }

Member Data Documentation

RooCategory dqmTnP::AbstractFitter::category [protected]
double dqmTnP::AbstractFitter::chi2 [protected]
RooDataHist* dqmTnP::AbstractFitter::data [protected]
RooRealVar dqmTnP::AbstractFitter::efficiency [protected]
RooRealVar dqmTnP::AbstractFitter::mass [protected]
RooRealVar dqmTnP::AbstractFitter::mean [protected]
RooRealVar dqmTnP::AbstractFitter::nSignalAll [protected]
RooFormulaVar dqmTnP::AbstractFitter::nSignalFail [protected]

Definition at line 33 of file GenericTnPFitter.h.

RooFormulaVar dqmTnP::AbstractFitter::nSignalPass [protected]

Definition at line 32 of file GenericTnPFitter.h.

RooRealVar dqmTnP::AbstractFitter::sigma [protected]
RooSimultaneous dqmTnP::AbstractFitter::simPdf [protected]

Definition at line 40 of file GenericTnPFitter.h.