ElectronMVAEstimator Class Reference

#include <ElectronMVAEstimator.h>

Classes
struct	Configuration

Public Member Functions
	ElectronMVAEstimator ()
	ElectronMVAEstimator (const Configuration &)
	ElectronMVAEstimator (const std::string &fileName)
double	mva (const reco::GsfElectron &myElectron, int nvertices=0) const
	~ElectronMVAEstimator ()

Private Member Functions
void	bindVariables (float vars[18]) const

Private Attributes
const Configuration	cfg_
std::vector< std::unique_ptr< const GBRForest > >	gbr_

Detailed Description

Definition at line 10 of file ElectronMVAEstimator.h.

Constructor & Destructor Documentation

ElectronMVAEstimator() [1/3]

ElectronMVAEstimator::ElectronMVAEstimator

(

)

Definition at line 8 of file ElectronMVAEstimator.cc.

: cfg_{} {}

ElectronMVAEstimator() [2/3]

ElectronMVAEstimator::ElectronMVAEstimator

(

const std::string &

fileName

)

Definition at line 10 of file ElectronMVAEstimator.cc.

                                                                    : cfg_{} {
  // Taken from Daniele (his mail from the 30/11)
  //  tmvaReader.BookMVA("BDTSimpleCat","../Training/weights_Root527b_3Depth_DanVarConvRej_2PtBins_10Pt_800TPrune5_Min100Events_NoBjets_half/TMVA_BDTSimpleCat.weights.xm");
  // training of the 7/12 with Nvtx added
  gbr_.push_back(createGBRForest(fileName));
}

ElectronMVAEstimator() [3/3]

ElectronMVAEstimator::ElectronMVAEstimator

(

const Configuration &

cfg

)

Definition at line 17 of file ElectronMVAEstimator.cc.

                                                                   : cfg_(cfg) {
  for (const auto& weightsfile : cfg_.vweightsfiles) {
    gbr_.push_back(createGBRForest(weightsfile));
  }
}

References cfg_, createGBRForest(), gbr_, and ElectronMVAEstimator::Configuration::vweightsfiles.

~ElectronMVAEstimator()

ElectronMVAEstimator::~ElectronMVAEstimator ( )

inline

Definition at line 18 of file ElectronMVAEstimator.h.

{ ; }

Member Function Documentation

bindVariables()

void ElectronMVAEstimator::bindVariables ( float  vars[18] ) const

private

Definition at line 85 of file ElectronMVAEstimator.cc.

                                                             {
  if (vars[0] < -1.)
    vars[1] = -1.;
 
  if (vars[1] > 0.06)
    vars[1] = 0.06;
 
  if (vars[2] > 0.6)
    vars[2] = 0.6;
 
  if (vars[5] > 20.)
    vars[5] = 20.;
 
  if (vars[7] > 20.)
    vars[7] = 20;
 
  if (vars[8] > 0.2)
    vars[8] = 0.2;
 
  if (vars[9] < 0.)
    vars[9] = 0.;
 
  if (vars[9] > 15.)
    vars[9] = 15.;
 
  if (vars[6] < -1.)
    vars[6] = -1;
 
  if (vars[6] > 2.)
    vars[6] = 2.;
 
  if (vars[12] > 15.)
    vars[12] = 15.;
 
  if (vars[13] > 3.)
    vars[13] = 3.;
}

Referenced by mva().

mva()

double ElectronMVAEstimator::mva	(	const reco::GsfElectron &	myElectron,
		int	nvertices = 0
	)		const

Definition at line 23 of file ElectronMVAEstimator.cc.

                                                                                       {
  float vars[18];
 
  vars[0] = myElectron.fbrem();
  vars[1] = std::abs(myElectron.deltaEtaSuperClusterTrackAtVtx());
  vars[2] = std::abs(myElectron.deltaPhiSuperClusterTrackAtVtx());
  vars[3] = myElectron.sigmaIetaIeta();
  vars[4] = myElectron.hcalOverEcal();
  vars[5] = myElectron.eSuperClusterOverP();
  vars[6] = (myElectron.e5x5()) != 0. ? 1. - (myElectron.e1x5() / myElectron.e5x5()) : -1.;
  vars[7] = myElectron.eEleClusterOverPout();
  vars[8] = std::abs(myElectron.deltaEtaEleClusterTrackAtCalo());
 
  bool validKF = false;
 
  reco::TrackRef myTrackRef = myElectron.closestCtfTrackRef();
  validKF = (myTrackRef.isNonnull() && myTrackRef.isAvailable());
 
  vars[9] = (validKF) ? myTrackRef->normalizedChi2() : 0;
  vars[10] = (validKF) ? myTrackRef->hitPattern().trackerLayersWithMeasurement() : -1.;
  vars[11] = myElectron.gsfTrack()->hitPattern().numberOfLostHits(reco::HitPattern::MISSING_INNER_HITS);
  vars[12] = std::abs(myElectron.convDist());
  vars[13] = std::abs(myElectron.convDcot());
  vars[14] = nvertices;
  vars[15] = myElectron.eta();
  vars[16] = myElectron.pt();
  vars[17] = myElectron.ecalDrivenSeed();
 
  bindVariables(vars);
 
  //0 pt < 10 && abs(eta)<=1.485
  //1 pt >= 10 && abs(eta)<=1.485
  //2 pt < 10 && abs(eta)> 1.485
  //3 pt >= 10 &&  abs(eta)> 1.485
 
  const unsigned index = (unsigned)(myElectron.pt() >= 10) + 2 * (unsigned)(std::abs(myElectron.eta()) > 1.485);
 
  double result = gbr_[index]->GetAdaBoostClassifier(vars);
  //
  //  std::cout << "fbrem" << vars[0] << std::endl;
  //  std::cout << "detain"<< vars[1] << std::endl;
  //  std::cout << "dphiin"<< vars[2] << std::endl;
  //  std::cout << "sieie"<< vars[3] << std::endl;
  //  std::cout << "hoe"<< vars[4] << std::endl;
  //  std::cout << "eop"<< vars[5] << std::endl;
  //  std::cout << "e1x5e5x5"<< vars[6] << std::endl;
  //  std::cout << "eleopout"<< vars[7] << std::endl;
  //  std::cout << "detaeleout"<< vars[8] << std::endl;
  //  std::cout << "kfchi2"<< vars[9] << std::endl;
  //  std::cout << "kfhits"<< vars[10] << std::endl;
  //  std::cout << "mishits"<<vars[11] << std::endl;
  //  std::cout << "dist"<< vars[12] << std::endl;
  //  std::cout << "dcot"<< vars[13] << std::endl;
  //  std::cout << "nvtx"<< vars[14] << std::endl;
  //  std::cout << "eta"<< vars[15] << std::endl;
  //  std::cout << "pt"<< vars[16] << std::endl;
  //  std::cout << "ecalseed"<< vars[17] << std::endl;
  //
  //  std::cout << " MVA " << result << std::endl;
  return result;
}

References funct::abs(), bindVariables(), reco::GsfElectron::closestCtfTrackRef(), reco::GsfElectron::convDcot(), reco::GsfElectron::convDist(), reco::GsfElectron::deltaEtaEleClusterTrackAtCalo(), reco::GsfElectron::deltaEtaSuperClusterTrackAtVtx(), reco::GsfElectron::deltaPhiSuperClusterTrackAtVtx(), reco::GsfElectron::e1x5(), reco::GsfElectron::e5x5(), reco::GsfElectron::ecalDrivenSeed(), reco::GsfElectron::eEleClusterOverPout(), reco::GsfElectron::eSuperClusterOverP(), reco::LeafCandidate::eta(), reco::GsfElectron::fbrem(), gbr_, reco::GsfElectron::gsfTrack(), reco::GsfElectron::hcalOverEcal(), edm::Ref< C, T, F >::isAvailable(), edm::Ref< C, T, F >::isNonnull(), reco::HitPattern::MISSING_INNER_HITS, reco::LeafCandidate::pt(), mps_fire::result, and reco::GsfElectron::sigmaIetaIeta().

Member Data Documentation

cfg_

const Configuration ElectronMVAEstimator::cfg_

private

Definition at line 22 of file ElectronMVAEstimator.h.

Referenced by ElectronMVAEstimator().

gbr_

std::vector<std::unique_ptr<const GBRForest> > ElectronMVAEstimator::gbr_

private

Definition at line 25 of file ElectronMVAEstimator.h.

Referenced by ElectronMVAEstimator(), and mva().