TtSemiLRSignalSelCalc Class Reference

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

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

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

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

Version

Id:

TtSemiLRSignalSelCalc.h,v 1.2 2008/02/17 11:18:54 rwolf Exp

Definition at line 31 of file TtSemiLRSignalSelCalc.h.

Constructor & Destructor Documentation

TtSemiLRSignalSelCalc::TtSemiLRSignalSelCalc

(

)

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

Definition at line 9 of file TtSemiLRSignalSelCalc.cc.

References addPurity, gather_cfg::cout, myLR, and LRHelpFunctions::readObsHistsAndFits().

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

TtSemiLRSignalSelCalc::~TtSemiLRSignalSelCalc

(

)

Definition at line 19 of file TtSemiLRSignalSelCalc.cc.

References myLR.

{ delete myLR; }

Member Function Documentation

void TtSemiLRSignalSelCalc::operator()

(

TtSemiEvtSolution &

sol

)

Definition at line 21 of file TtSemiLRSignalSelCalc.cc.

References addPurity, LRHelpFunctions::calcLRval(), LRHelpFunctions::calcProb(), TtSemiEvtSolution::getLRSignalEvtObsVal(), myLR, class-composition::o, LRHelpFunctions::obsFitIncluded(), TtSemiEvtSolution::setLRSignalEvtLRval(), and TtSemiEvtSolution::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 TtSemiEvtSolution
  sol.setLRSignalEvtLRval(logLR);
  sol.setLRSignalEvtProb(prob);
}

Member Data Documentation

bool TtSemiLRSignalSelCalc::addPurity

private

Definition at line 41 of file TtSemiLRSignalSelCalc.h.

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

LRHelpFunctions* TtSemiLRSignalSelCalc::myLR

private

Definition at line 40 of file TtSemiLRSignalSelCalc.h.

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