ElectronMVAEstimatorRun2 Class Reference

#include <ElectronMVAEstimatorRun2.h>

Inheritance diagram for ElectronMVAEstimatorRun2:

Public Member Functions
	ElectronMVAEstimatorRun2 (const edm::ParameterSet &conf)
	ElectronMVAEstimatorRun2 (const std::string &mvaTag, const std::string &mvaName, int nCategories, const std::string &variableDefinition, const std::vector< std::string > &categoryCutStrings, const std::vector< std::string > &weightFileNames, bool debug=false)
int	findCategory (const reco::Candidate *candidate) const override
float	mvaValue (const reco::Candidate *candidate, std::vector< float > const &auxVariables, int &iCategory) const override
float	mvaValue (const reco::Candidate *candidate, float rho, int &iCategory) const
Public Member Functions inherited from AnyMVAEstimatorRun2Base
	AnyMVAEstimatorRun2Base (const edm::ParameterSet &conf)
	AnyMVAEstimatorRun2Base (const ::std::string &mvaName, const ::std::string &mvaTag, int nCategories, bool debug)
const std::string &	getName () const
int	getNCategories () const
const std::string &	getTag () const
bool	isDebug () const
float	mvaValue (const reco::Candidate *candidate, std::vector< float > const &auxVariables) const
virtual	~AnyMVAEstimatorRun2Base ()

Private Member Functions
int	findCategory (reco::GsfElectron const &electron) const
void	init (const std::vector< std::string > &weightFileNames)

Private Attributes
std::vector< ThreadSafeFunctor< StringCutObjectSelector< reco::GsfElectron > > >	categoryFunctions_
std::vector< std::unique_ptr< const GBRForest > >	gbrForests_
MVAVariableManager< reco::GsfElectron >	mvaVarMngr_
std::vector< int >	nVariables_
std::vector< std::vector< int > >	variables_

Detailed Description

Definition at line 32 of file ElectronMVAEstimatorRun2.h.

Constructor & Destructor Documentation

ElectronMVAEstimatorRun2() [1/2]

ElectronMVAEstimatorRun2::ElectronMVAEstimatorRun2

(

const edm::ParameterSet &

conf

)

Definition at line 9 of file ElectronMVAEstimatorRun2.cc.

References edm::ParameterSet::getParameter(), MVAVariableHelper::indexMap(), and AlCaHLTBitMon_QueryRunRegistry::string.

    : AnyMVAEstimatorRun2Base(conf),
      mvaVarMngr_{conf.getParameter<std::string>("variableDefinition"), MVAVariableHelper::indexMap()} {
  const auto weightFileNames = conf.getParameter<std::vector<std::string> >("weightFileNames");
  const auto categoryCutStrings = conf.getParameter<std::vector<std::string> >("categoryCuts");

  if ((int)(categoryCutStrings.size()) != getNCategories())
    throw cms::Exception("MVA config failure: ")
        << "wrong number of category cuts in ElectronMVAEstimatorRun2" << getTag() << std::endl;

  for (int i = 0; i < getNCategories(); ++i) {
    categoryFunctions_.emplace_back(categoryCutStrings[i]);
  }

  // Initialize GBRForests from weight files
  init(weightFileNames);
}

ElectronMVAEstimatorRun2() [2/2]

ElectronMVAEstimatorRun2::ElectronMVAEstimatorRun2	(	const std::string &	mvaTag,
		const std::string &	mvaName,
		int	nCategories,
		const std::string &	variableDefinition,
		const std::vector< std::string > &	categoryCutStrings,
		const std::vector< std::string > &	weightFileNames,
		bool	debug = false
	)

Definition at line 27 of file ElectronMVAEstimatorRun2.cc.

References MVAVariableHelper::indexMap(), and mvaElectronID_Fall17_iso_V1_cff::variableDefinition.

    : AnyMVAEstimatorRun2Base(mvaName, mvaTag, nCategories, debug),
      mvaVarMngr_{variableDefinition, MVAVariableHelper::indexMap()} {
  if ((int)(categoryCutStrings.size()) != getNCategories())
    throw cms::Exception("MVA config failure: ")
        << "wrong number of category cuts in " << getName() << getTag() << std::endl;

  for (auto const& cut : categoryCutStrings)
    categoryFunctions_.emplace_back(cut);
  init(weightFileNames);
}

Member Function Documentation

findCategory() [1/2]

int ElectronMVAEstimatorRun2::findCategory ( const reco::Candidate *  candidate ) const

overridevirtual

Implements AnyMVAEstimatorRun2Base.

Definition at line 125 of file ElectronMVAEstimatorRun2.cc.

References runTheMatrix::const, HPSPFTauProducerPuppi_cfi::electron, and Exception.

Referenced by mvaValue().

                                                                               {
  const reco::GsfElectron* electron = dynamic_cast<reco::GsfElectron const*>(candidate);

  if (electron == nullptr) {
    throw cms::Exception("MVA failure: ")
        << " given particle is expected to be reco::GsfElectron or pat::Electron," << std::endl
        << " but appears to be neither" << std::endl;
  }

  return findCategory(*electron);
}

findCategory() [2/2]

int ElectronMVAEstimatorRun2::findCategory ( reco::GsfElectron const &  electron ) const

private

Definition at line 137 of file ElectronMVAEstimatorRun2.cc.

References categoryFunctions_, HPSPFTauProducerPuppi_cfi::electron, AnyMVAEstimatorRun2Base::getNCategories(), AnyMVAEstimatorRun2Base::getTag(), and mps_fire::i.

                                                                                {
  for (int i = 0; i < getNCategories(); ++i) {
    if (categoryFunctions_[i](electron))
      return i;
  }

  edm::LogWarning("MVA warning") << "category not defined for particle with pt " << electron.pt() << " GeV, eta "
                                 << electron.superCluster()->eta() << " in ElectronMVAEstimatorRun2" << getTag();

  return -1;
}

init()

void ElectronMVAEstimatorRun2::init ( const std::vector< std::string > &  weightFileNames )

private

Definition at line 45 of file ElectronMVAEstimatorRun2.cc.

References gather_cfg::cout, createGBRForest(), Exception, gbrForests_, AnyMVAEstimatorRun2Base::getNCategories(), AnyMVAEstimatorRun2Base::getTag(), MVAVariableManager< ParticleType >::getVarIndex(), mps_fire::i, AnyMVAEstimatorRun2Base::isDebug(), dqmiolumiharvest::j, mvaVarMngr_, nVariables_, variables_, and mvaElectronID_Fall17_iso_V1_cff::weightFileNames.

                                                                               {
  if (isDebug()) {
    std::cout << " *** Inside ElectronMVAEstimatorRun2" << getTag() << std::endl;
  }

  // Initialize GBRForests
  if ((int)(weightFileNames.size()) != getNCategories())
    throw cms::Exception("MVA config failure: ")
        << "wrong number of weightfiles in ElectronMVAEstimatorRun2" << getTag() << std::endl;

  // Create a TMVA reader object for each category
  for (int i = 0; i < getNCategories(); i++) {
    std::vector<int> variablesInCategory;

    // Use unique_ptr so that all readers are properly cleaned up
    // when the vector clear() is called in the destructor

    std::vector<std::string> variableNamesInCategory;
    gbrForests_.push_back(createGBRForest(weightFileNames[i], variableNamesInCategory));

    nVariables_.push_back(variableNamesInCategory.size());

    variables_.push_back(variablesInCategory);

    if (isDebug()) {
      std::cout << " *** Inside ElectronMVAEstimatorRun2" << getTag() << std::endl;
      std::cout << " category " << i << " with nVariables " << nVariables_[i] << std::endl;
    }

    for (int j = 0; j < nVariables_[i]; ++j) {
      int index = mvaVarMngr_.getVarIndex(variableNamesInCategory[j]);
      if (index == -1) {
        throw cms::Exception("MVA config failure: ")
            << "Concerning ElectronMVAEstimatorRun2" << getTag() << std::endl
            << "Variable " << variableNamesInCategory[j] << " not found in variable definition file!" << std::endl;
      }
      variables_[i].push_back(index);
    }
  }
}

mvaValue() [1/2]

float ElectronMVAEstimatorRun2::mvaValue ( const reco::Candidate *  candidate, std::vector< float > const &  auxVariables, int &  iCategory  ) const

overridevirtual

Implements AnyMVAEstimatorRun2Base.

Definition at line 86 of file ElectronMVAEstimatorRun2.cc.

References gather_cfg::cout, HPSPFTauProducerPuppi_cfi::electron, Exception, findCategory(), gbrForests_, MVAVariableManager< ParticleType >::getName(), AnyMVAEstimatorRun2Base::getTag(), MVAVariableManager< ParticleType >::getValue(), mps_fire::i, AnyMVAEstimatorRun2Base::isDebug(), mvaVarMngr_, nVariables_, and variables_.

Referenced by mvaValue().

                                                               {
  const reco::GsfElectron* electron = dynamic_cast<const reco::GsfElectron*>(candidate);

  if (electron == nullptr) {
    throw cms::Exception("MVA failure: ")
        << " given particle is expected to be reco::GsfElectron or pat::Electron," << std::endl
        << " but appears to be neither" << std::endl;
  }

  iCategory = findCategory(electron);

  if (iCategory < 0)
    return -999;

  std::vector<float> vars;

  vars.reserve(nVariables_[iCategory]);
  for (int i = 0; i < nVariables_[iCategory]; ++i) {
    vars.push_back(mvaVarMngr_.getValue(variables_[iCategory][i], *electron, auxVariables));
  }

  if (isDebug()) {
    std::cout << " *** Inside ElectronMVAEstimatorRun2" << getTag() << std::endl;
    std::cout << " category " << iCategory << std::endl;
    for (int i = 0; i < nVariables_[iCategory]; ++i) {
      std::cout << " " << mvaVarMngr_.getName(variables_[iCategory][i]) << " " << vars[i] << std::endl;
    }
  }
  const float response = gbrForests_.at(iCategory)->GetResponse(vars.data());  // The BDT score

  if (isDebug()) {
    std::cout << " ### MVA " << response << std::endl << std::endl;
  }

  return response;
}

mvaValue() [2/2]

float ElectronMVAEstimatorRun2::mvaValue ( const reco::Candidate *  candidate, float  rho, int &  iCategory  ) const

inline

Definition at line 51 of file ElectronMVAEstimatorRun2.h.

References mvaValue(), and rho.

                                                                                  {
    return mvaValue(candidate, std::vector<float>{rho}, iCategory);
  }

Member Data Documentation

categoryFunctions_

std::vector<ThreadSafeFunctor<StringCutObjectSelector<reco::GsfElectron> > > ElectronMVAEstimatorRun2::categoryFunctions_

private

Definition at line 62 of file ElectronMVAEstimatorRun2.h.

Referenced by findCategory().

gbrForests_

std::vector<std::unique_ptr<const GBRForest> > ElectronMVAEstimatorRun2::gbrForests_

private

Definition at line 66 of file ElectronMVAEstimatorRun2.h.

Referenced by init(), and mvaValue().

mvaVarMngr_

MVAVariableManager<reco::GsfElectron> ElectronMVAEstimatorRun2::mvaVarMngr_

private

Definition at line 72 of file ElectronMVAEstimatorRun2.h.

Referenced by init(), and mvaValue().

nVariables_

std::vector<int> ElectronMVAEstimatorRun2::nVariables_

private

Definition at line 63 of file ElectronMVAEstimatorRun2.h.

Referenced by init(), and mvaValue().

variables_

std::vector<std::vector<int> > ElectronMVAEstimatorRun2::variables_

private

Definition at line 70 of file ElectronMVAEstimatorRun2.h.

Referenced by init(), and mvaValue().