ana::SBNOsc::ROC::NormalizedPrimitive Struct Reference

#include <ROC.h>

Public Member Functions
void	Initialize (const std::string &name, float cut_low, float cut_high, unsigned n_bin)
void	FillNeutrino (bool is_signal, float value)
void	FillNeverNeutrino (bool is_signal)
void	FillAlwaysNeutrino (bool is_signal)
void	FillCosmic (bool is_signal, float value)
void	FillNeverCosmic (bool is_signal)
void	FillAlwaysCosmic (bool is_signal)
void	Normalize (float scale_neutrino, float scale_cosmic)
void	Write () const
float	BestCut () const
float	Signal (unsigned bin) const
float	Background (unsigned bin) const
float	NSignal () const
float	NBackground () const
unsigned	NCutVals () const
float	GetCutVal (unsigned bin) const

Public Attributes
Primitive	fNeutrino
Primitive	fCosmic
std::string	name

Detailed Description

Definition at line 50 of file ROC.h.

Member Function Documentation

float ana::SBNOsc::ROC::NormalizedPrimitive::Background

(

unsigned

bin

)

const

Definition at line 121 of file ROC.cc.

                                                                    {
  return fNeutrino.background->GetBinContent(bin) + fCosmic.background->GetBinContent(bin);
}

float ana::SBNOsc::ROC::NormalizedPrimitive::BestCut

(

)

const

Definition at line 141 of file ROC.cc.

                                                     {
  float max_significance = 0.;
  float best_cut = 0.;
  for (unsigned bin = 1; bin <= NCutVals(); bin++) {
    float sig = Signal(bin);
    float bkg = Background(bin);
    float this_significance = 0.;
    if (sig + bkg > 1.e-4) {
      this_significance = sig / sqrt(sig + bkg);
    }
    if (this_significance > max_significance) {
      max_significance = this_significance;
      best_cut = GetCutVal(bin);
    }
  } 
  return best_cut;
}

void ana::SBNOsc::ROC::NormalizedPrimitive::FillAlwaysCosmic ( bool  is_signal )

inline

Definition at line 62 of file ROC.h.

{fCosmic.FillAlways(is_signal);}

void ana::SBNOsc::ROC::NormalizedPrimitive::FillAlwaysNeutrino ( bool  is_signal )

inline

Definition at line 58 of file ROC.h.

{fNeutrino.FillAlways(is_signal);}

void ana::SBNOsc::ROC::NormalizedPrimitive::FillCosmic ( bool  is_signal, float  value  )

inline

Definition at line 60 of file ROC.h.

{fCosmic.Fill(is_signal, value);}

void ana::SBNOsc::ROC::NormalizedPrimitive::FillNeutrino ( bool  is_signal, float  value  )

inline

Definition at line 56 of file ROC.h.

{fNeutrino.Fill(is_signal, value);}

void ana::SBNOsc::ROC::NormalizedPrimitive::FillNeverCosmic ( bool  is_signal )

inline

Definition at line 61 of file ROC.h.

{fCosmic.FillNever(is_signal);}

void ana::SBNOsc::ROC::NormalizedPrimitive::FillNeverNeutrino ( bool  is_signal )

inline

Definition at line 57 of file ROC.h.

{fNeutrino.FillNever(is_signal);}

float ana::SBNOsc::ROC::NormalizedPrimitive::GetCutVal

(

unsigned

bin

)

const

Definition at line 129 of file ROC.cc.

                                                                   {
  return fNeutrino.signal->GetBinCenter(bin);
}

void ana::SBNOsc::ROC::NormalizedPrimitive::Initialize	(	const std::string &	name,
		float	cut_low,
		float	cut_high,
		unsigned	n_bin
	)

Definition at line 65 of file ROC.cc.

                                                                                                                          {
  fNeutrino.Initialize(this_name + "neutrino_", cut_low, cut_high, n_bin);
  fCosmic.Initialize(this_name + "cosmic_", cut_low, cut_high, n_bin);
  name = this_name;
}

float ana::SBNOsc::ROC::NormalizedPrimitive::NBackground

(

)

const

Definition at line 137 of file ROC.cc.

                                                         {
  return fNeutrino.n_background + fCosmic.n_background;
}

unsigned ana::SBNOsc::ROC::NormalizedPrimitive::NCutVals

(

)

const

Definition at line 125 of file ROC.cc.

                                                         {
  return fNeutrino.signal->GetNbinsX();
}

void ana::SBNOsc::ROC::NormalizedPrimitive::Normalize	(	float	scale_neutrino,
		float	scale_cosmic
	)

Definition at line 112 of file ROC.cc.

                                                                                        {
  fNeutrino.Scale(scale_neutrino);
  fCosmic.Scale(scale_cosmic);
}

float ana::SBNOsc::ROC::NormalizedPrimitive::NSignal

(

)

const

Definition at line 133 of file ROC.cc.

                                                     {
  return fNeutrino.n_signal + fCosmic.n_signal;
}

float ana::SBNOsc::ROC::NormalizedPrimitive::Signal

(

unsigned

bin

)

const

Definition at line 117 of file ROC.cc.

                                                                {
  return fNeutrino.signal->GetBinContent(bin) + fCosmic.signal->GetBinContent(bin);
}

void ana::SBNOsc::ROC::NormalizedPrimitive::Write

(

)

const

Definition at line 159 of file ROC.cc.

                                                  {
  std::vector<float> eff;
  std::vector<float> rejection;
  for (unsigned bin = 1; bin <= NCutVals(); bin++) {
    float this_eff = Signal(bin) / NSignal();
    float this_rej = 1 - Background(bin) / NBackground();
    eff.push_back(this_eff);
    rejection.push_back(this_rej);
  }
  TGraph *ROC = new TGraph(NCutVals(), &eff[0], &rejection[0]);
  ROC->SetTitle(name.c_str());
  ROC->SetName(name.c_str());
  ROC->Write();

  delete ROC;
}

Member Data Documentation

Primitive ana::SBNOsc::ROC::NormalizedPrimitive::fCosmic

Definition at line 52 of file ROC.h.

Primitive ana::SBNOsc::ROC::NormalizedPrimitive::fNeutrino

Definition at line 51 of file ROC.h.

std::string ana::SBNOsc::ROC::NormalizedPrimitive::name

Definition at line 53 of file ROC.h.

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

• ROC.h
• ROC.cc