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#include "MitPhysics/Utils/interface/ElectronIDMVA.h"
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#include "MitPhysics/Utils/interface/ElectronTools.h"
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#include "MitPhysics/Utils/interface/IsolationTools.h"
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#include "MitAna/DataTree/interface/StableData.h"
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#include <TFile.h>
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#include <TRandom3.h>
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#include "TMVA/Tools.h"
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#include "TMVA/Reader.h"
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ClassImp(mithep::ElectronIDMVA)
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using namespace mithep;
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//--------------------------------------------------------------------------------------------------
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ElectronIDMVA::ElectronIDMVA() :
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fMethodname("BDTG method"),
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fLH(0),
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fIsInitialized(kFALSE)
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{
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// Constructor.
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for(UInt_t i=0; i<6; ++i) {
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fTMVAReader[i] = 0;
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}
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}
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//--------------------------------------------------------------------------------------------------
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ElectronIDMVA::~ElectronIDMVA()
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{
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for(UInt_t i=0; i<6; ++i) {
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if (fTMVAReader[i]) delete fTMVAReader[i];
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}
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}
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//--------------------------------------------------------------------------------------------------
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void ElectronIDMVA::Initialize( TString methodName,
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TString Subdet0Pt10To20Weights ,
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TString Subdet1Pt10To20Weights ,
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TString Subdet2Pt10To20Weights,
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TString Subdet0Pt20ToInfWeights,
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TString Subdet1Pt20ToInfWeights,
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TString Subdet2Pt20ToInfWeights,
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ElectronLikelihood *LH) {
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fIsInitialized = kTRUE;
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fMethodname = methodName;
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fLH = LH;
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if (!fLH) { std::cout << "Error: Likelihood is not properly initialized.\n"; assert(fLH); }
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for(UInt_t i=0; i<6; ++i) {
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if (fTMVAReader[i]) delete fTMVAReader[i];
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fTMVAReader[i] = new TMVA::Reader( "!Color:!Silent:Error" );
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fTMVAReader[i]->SetVerbose(kTRUE);
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fTMVAReader[i]->AddVariable( "SigmaIEtaIEta", &fMVAVar_EleSigmaIEtaIEta );
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fTMVAReader[i]->AddVariable( "DEtaIn", &fMVAVar_EleDEtaIn );
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fTMVAReader[i]->AddVariable( "DPhiIn", &fMVAVar_EleDPhiIn );
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fTMVAReader[i]->AddVariable( "HoverE", &fMVAVar_EleHoverE );
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fTMVAReader[i]->AddVariable( "D0", &fMVAVar_EleD0 );
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fTMVAReader[i]->AddVariable( "FBrem", &fMVAVar_EleFBrem );
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fTMVAReader[i]->AddVariable( "EOverP", &fMVAVar_EleEOverP );
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fTMVAReader[i]->AddVariable( "ESeedClusterOverPout", &fMVAVar_EleESeedClusterOverPout );
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fTMVAReader[i]->AddVariable( "SigmaIPhiIPhi", &fMVAVar_EleSigmaIPhiIPhi );
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fTMVAReader[i]->AddVariable( "NBrem", &fMVAVar_EleNBrem );
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fTMVAReader[i]->AddVariable( "OneOverEMinusOneOverP", &fMVAVar_EleOneOverEMinusOneOverP );
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fTMVAReader[i]->AddVariable( "ESeedClusterOverPIn", &fMVAVar_EleESeedClusterOverPIn );
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fTMVAReader[i]->AddVariable( "IP3d", &fMVAVar_EleIP3d );
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fTMVAReader[i]->AddVariable( "IP3dSig", &fMVAVar_EleIP3dSig );
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fTMVAReader[i]->AddVariable( "StandardLikelihood", &fMVAVar_EleStandardLikelihood );
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if (i==0) fTMVAReader[i]->BookMVA(fMethodname , Subdet0Pt10To20Weights );
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if (i==1) fTMVAReader[i]->BookMVA(fMethodname , Subdet1Pt10To20Weights );
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if (i==2) fTMVAReader[i]->BookMVA(fMethodname , Subdet2Pt10To20Weights );
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if (i==3) fTMVAReader[i]->BookMVA(fMethodname , Subdet0Pt20ToInfWeights );
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if (i==4) fTMVAReader[i]->BookMVA(fMethodname , Subdet1Pt20ToInfWeights );
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if (i==5) fTMVAReader[i]->BookMVA(fMethodname , Subdet2Pt20ToInfWeights );
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}
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std::cout << "Electron ID MVA Initialization\n";
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std::cout << "MethodName : " << fMethodname << std::endl;
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std::cout << "Load weights file : " << Subdet0Pt10To20Weights << std::endl;
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std::cout << "Load weights file : " << Subdet1Pt10To20Weights << std::endl;
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std::cout << "Load weights file : " << Subdet2Pt10To20Weights << std::endl;
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std::cout << "Load weights file : " << Subdet0Pt20ToInfWeights << std::endl;
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std::cout << "Load weights file : " << Subdet1Pt20ToInfWeights << std::endl;
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std::cout << "Load weights file : " << Subdet2Pt20ToInfWeights << std::endl;
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}
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//--------------------------------------------------------------------------------------------------
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Double_t ElectronIDMVA::MVAValue(const Electron *ele, const Vertex *vertex) {
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if (!fIsInitialized) {
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std::cout << "Error: ElectronIDMVA not properly initialized.\n";
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return -9999;
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}
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Int_t subdet = 0;
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if (ele->SCluster()->AbsEta() < 1.0) subdet = 0;
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else if (ele->SCluster()->AbsEta() < 1.479) subdet = 1;
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else subdet = 2;
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Int_t ptBin = 0;
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if (ele->Pt() > 20.0) ptBin = 1;
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//set all input variables
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fMVAVar_EleSigmaIEtaIEta = ele->CoviEtaiEta() ;
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fMVAVar_EleDEtaIn = ele->DeltaEtaSuperClusterTrackAtVtx();
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fMVAVar_EleDPhiIn = ele->DeltaPhiSuperClusterTrackAtVtx();
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fMVAVar_EleHoverE = ele->HadronicOverEm();
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fMVAVar_EleD0 = ele->BestTrk()->D0Corrected(*vertex);
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fMVAVar_EleDZ = ele->BestTrk()->DzCorrected(*vertex);
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fMVAVar_EleFBrem = ele->FBrem();
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fMVAVar_EleEOverP = ele->ESuperClusterOverP();
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fMVAVar_EleESeedClusterOverPout = ele->ESeedClusterOverPout();
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if (!TMath::IsNaN(ele->SCluster()->Seed()->CoviPhiiPhi())) fMVAVar_EleSigmaIPhiIPhi = TMath::Sqrt(ele->SCluster()->Seed()->CoviPhiiPhi());
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else fMVAVar_EleSigmaIPhiIPhi = ele->CoviEtaiEta();
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fMVAVar_EleNBrem = ele->NumberOfClusters() - 1;
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fMVAVar_EleOneOverEMinusOneOverP = (1.0/(ele->ESuperClusterOverP()*ele->BestTrk()->P())) - 1.0 / ele->BestTrk()->P();
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fMVAVar_EleESeedClusterOverPIn = ele->ESeedClusterOverPIn();
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fMVAVar_EleIP3d = ele->Ip3dPV();
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fMVAVar_EleIP3dSig = ele->Ip3dPVSignificance();
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fMVAVar_EleStandardLikelihood = ElectronTools::Likelihood(fLH, ele);
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Double_t mva = -9999;
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TMVA::Reader *reader = 0;
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Int_t MVABin = -1;
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if (subdet == 0 && ptBin == 0) MVABin = 0;
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if (subdet == 1 && ptBin == 0) MVABin = 1;
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if (subdet == 2 && ptBin == 0) MVABin = 2;
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if (subdet == 0 && ptBin == 1) MVABin = 3;
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if (subdet == 1 && ptBin == 1) MVABin = 4;
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if (subdet == 2 && ptBin == 1) MVABin = 5;
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assert(MVABin >= 0 && MVABin <= 5);
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reader = fTMVAReader[MVABin];
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mva = reader->EvaluateMVA( fMethodname );
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return mva;
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}
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