BinFlipChi2Base Class Reference

#include <BinFlipChi2.h>

Inheritance diagram for BinFlipChi2Base:

Public Member Functions
	BinFlipChi2Base (BinFlipParSet *)
virtual void	parametersChanged () override
TH2D	scan2D (unsigned, unsigned, float nSigmaRange=5., unsigned nBins=300, bool zeroCentre=true, float scale=1.)
BinFlipParSet *	getBinFlipParSet ()
Public Member Functions inherited from MINT::Minimisable
	Minimisable (MinuitParameterSet *mps=0)
	Minimisable (const Minimisable &other)
virtual	~Minimisable ()
void	setPset (MinuitParameterSet *mps)
MinuitParameterSet *	getParSet ()
virtual void	beginFit ()
virtual void	endFit ()
double	getVal ()=0
double	getNewVal ()
Public Member Functions inherited from MINT::IMinimisable
virtual void	Gradient (std::vector< double > &grad)
virtual bool	useAnalyticGradient ()
virtual void	setUseAnalyticGradient (bool useAnalyticGradient)
virtual	~IMinimisable ()

Protected Attributes
BinFlipParSet *	m_fitPars
std::complex< double >	m_zcp
std::complex< double >	m_dz

Detailed Description

Definition at line 37 of file BinFlipChi2.h.

Constructor & Destructor Documentation

BinFlipChi2Base()

BinFlipChi2Base::BinFlipChi2Base

(

BinFlipParSet *

fitPars

)

Definition at line 70 of file BinFlipChi2.cpp.

                                                       :
  Minimisable(fitPars),
  m_fitPars(fitPars),
  m_zcp(fitPars->unblindZcp()),
  m_dz(fitPars->unblindDeltaz())
{}

Member Function Documentation

getBinFlipParSet()

BinFlipParSet * BinFlipChi2Base::getBinFlipParSet

(

)

Definition at line 141 of file BinFlipChi2.cpp.

                                                 {
  return m_fitPars ;
}

parametersChanged()

void BinFlipChi2Base::parametersChanged ( )

overridevirtual

Reimplemented from MINT::Minimisable.

Reimplemented in BinFlipChi2Simul.

Definition at line 77 of file BinFlipChi2.cpp.

                                        {
  m_zcp = m_fitPars->unblindZcp() ;
  m_dz = m_fitPars->unblindDeltaz() ;
}

scan2D()

TH2D BinFlipChi2Base::scan2D	(	unsigned	ip1,
		unsigned	ip2,
		float	nSigmaRange = 5.,
		unsigned	nBins = 300,
		bool	zeroCentre = true,
		float	scale = 1.
	)

Definition at line 82 of file BinFlipChi2.cpp.

                              {
  FitParameter* p1 = (FitParameter*)m_fitPars->getParPtr(ip1) ;
  FitParameter* p2 = (FitParameter*)m_fitPars->getParPtr(ip2) ;
  const double v1 = p1->getCurrentFitVal() ;
  const double v2 = p2->getCurrentFitVal() ;
  const double s1 = p1->err() ;
  const double s2 = p2->err() ;
  double v1min = v1 - s1 * nSigmaRange ;
  double v1max = v1 + s1 * nSigmaRange ;
  double v2min = v2 - s2 * nSigmaRange ;
  double v2max = v2 + s2 * nSigmaRange ;
  if(zeroCentre){
    v1min -= v1 ;
    v1max -= v1 ;
    v2min -= v2 ;
    v2max -= v2 ;
  }
  TH2D hscan(("deltachi2_" + p2->name() + "_vs_" + p1->name()).c_str(), "",
         nBins, v1min*scale, v1max*scale, nBins, v2min*scale, v2max*scale) ;
  const double chi2 = getVal() ;
  for(unsigned i1 = 1 ; i1 < nBins + 1 ; ++i1){
    double iv1 = hscan.GetXaxis()->GetBinCenter(i1) ;
    for(unsigned i2 = 1 ; i2 < nBins + 1 ; ++i2){
      double iv2 = hscan.GetYaxis()->GetBinCenter(i2) ;
      p1->setCurrentFitVal(iv1) ;
      p2->setCurrentFitVal(iv2) ;
      parametersChanged() ;
      double ichi2 = getVal() ;
      double dsigma = sqrt(ichi2 - chi2) ;
      if(dsigma <= nSigmaRange)
    hscan.SetBinContent(i1, i2, dsigma) ;
      else
    hscan.SetBinContent(i1, i2, 0.) ;
    }
  }

  vector<string> titles(1, "Re(z_{CP})") ;
  titles.push_back("Im(z_{CP})") ;
  titles.push_back("Re(#Delta z)") ;
  titles.push_back("Im(#Delta z)") ;
  string xtitle = titles.at(ip1) ;
  string ytitle = titles.at(ip2) ;
  if(zeroCentre){
    xtitle = "#delta " + xtitle ;
    ytitle = "#delta " + ytitle ;
  }
  hscan.SetXTitle(xtitle.c_str()) ;
  hscan.SetYTitle(ytitle.c_str()) ;
  hscan.SetZTitle("N. #sigma") ;
  hscan.SetContour(nSigmaRange) ;
  hscan.SetStats(false) ;

  p1->setCurrentFitVal(v1) ;
  p2->setCurrentFitVal(v2) ;
  parametersChanged() ;
  return hscan ;
}

Member Data Documentation

m_dz

std::complex<double> BinFlipChi2Base::m_dz

protected

Definition at line 47 of file BinFlipChi2.h.

m_fitPars

BinFlipParSet* BinFlipChi2Base::m_fitPars

protected

Definition at line 45 of file BinFlipChi2.h.

m_zcp

std::complex<double> BinFlipChi2Base::m_zcp

protected

Definition at line 46 of file BinFlipChi2.h.

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The documentation for this class was generated from the following files:

• Mint/BinFlipChi2.h
• src/BinFlip/BinFlipChi2.cpp