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, myLR, and LRHelpFunctions::readObsHistsAndFits().

                                                                                                         {
  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 19 of file TtHadLRSignalSelCalc.cc.

References addPurity, LRHelpFunctions::calcLRval(), LRHelpFunctions::calcProb(), TtHadEvtSolution::getLRSignalEvtObsVal(), myLR, class-composition::o, LRHelpFunctions::obsFitIncluded(), 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 37 of file TtHadLRSignalSelCalc.h.

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

LRHelpFunctions* TtHadLRSignalSelCalc::myLR

private

Definition at line 36 of file TtHadLRSignalSelCalc.h.

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