TtHadLRSignalSelCalc Class Reference

Class to calculate the jet combination LR value and purity from a root-file with fit functions. More...

#include "TopQuarkAnalysis/TopLeptonSelection/interface/TtHadLRSignalSelCalc.h"

Public Member Functions
void	operator() (TtHadEvtSolution &)
	TtHadLRSignalSelCalc ()
	TtHadLRSignalSelCalc (const TString &, const std::vector< int > &)
	~TtHadLRSignalSelCalc ()

Private Attributes
bool	addPurity
LRHelpFunctions *	myLR

Detailed Description

Class to calculate the jet combination LR value and purity from a root-file with fit functions.

Author

Jan Heyninck - adapted hadronic version mfhansen

Definition at line 28 of file TtHadLRSignalSelCalc.h.

Constructor & Destructor Documentation

TtHadLRSignalSelCalc::TtHadLRSignalSelCalc

(

)

TtHadLRSignalSelCalc::TtHadLRSignalSelCalc	(	const TString &	fitInputPath,
		const std::vector< int > &	observables
	)

Definition at line 7 of file TtHadLRSignalSelCalc.cc.

References addPurity, gather_cfg::cout, and myLR.

{
  std::cout << "=== Constructing a TtHadLRSignalSelCalc... " << std::endl; 
  myLR = new LRHelpFunctions();
  addPurity = false;
  if(observables[0] == -1) addPurity = true;
  myLR -> readObsHistsAndFits(fitInputPath, observables, addPurity);
  std::cout << "=== done." << std::endl;
}

TtHadLRSignalSelCalc::~TtHadLRSignalSelCalc

(

)

Definition at line 17 of file TtHadLRSignalSelCalc.cc.

References myLR.

{
  delete myLR;
}

Member Function Documentation

void TtHadLRSignalSelCalc::operator()

(

TtHadEvtSolution &

sol

)

Definition at line 22 of file TtHadLRSignalSelCalc.cc.

References addPurity, LRHelpFunctions::calcLRval(), LRHelpFunctions::calcProb(), TtHadEvtSolution::getLRSignalEvtObsVal(), myLR, connectstrParser::o, LRHelpFunctions::obsFitIncluded(), TtFullHadEvtBuilder_cfi::prob, TtHadEvtSolution::setLRSignalEvtLRval(), and TtHadEvtSolution::setLRSignalEvtProb().

{
  // find the used observables
  std::vector<double> obsVals;
  for(unsigned int o = 0; o<100; o++){
    if( myLR->obsFitIncluded(o) ) obsVals.push_back(sol.getLRSignalEvtObsVal(o)); 
  }
  
  // calculate the logLR and the purity
  double logLR = myLR->calcLRval(obsVals);
  double prob  = -999.;
  if(addPurity) prob = myLR->calcProb(logLR);
  
  // fill these values to the members in the TtHadEvtSolution
  sol.setLRSignalEvtLRval(logLR);
  sol.setLRSignalEvtProb(prob);
}

Member Data Documentation

bool TtHadLRSignalSelCalc::addPurity

private

Definition at line 40 of file TtHadLRSignalSelCalc.h.

Referenced by operator()(), and TtHadLRSignalSelCalc().

LRHelpFunctions* TtHadLRSignalSelCalc::myLR

private

Definition at line 39 of file TtHadLRSignalSelCalc.h.

Referenced by operator()(), TtHadLRSignalSelCalc(), and ~TtHadLRSignalSelCalc().