APReweight2D Class Reference

#include <APReweight2D.h>

Inheritance diagram for APReweight2D:

List of all members.

Public Member Functions
	APReweight2D ()
	APReweight2D (TH2 *denominator_in, TH2 *numerator_in, bool isTrig=false)
virtual	~APReweight2D ()
void	ReadEfficiency (TH2 *efficiency_in, TH2 *err_low_in, TH2 *err_high_in=0)
APWeightEntry *	GetBinWeight (unsigned int bin_x, unsigned int bin_y) const
APWeightEntry *	GetWeight (double value_x, double value_y) const
double	GetSampleScale () const
unsigned int	NBins () const
unsigned int	GetBinX (double value_x) const
unsigned int	GetBinY (double value_y) const
TH2D *	GetDenominatorHist () const
TH2D *	GetNumeratorHist () const
void	SetSystUncert (double rel_uncert)
void	SetQuietMode (bool isQuiet=true)

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Detailed Description

Class to store 2D parameterized weight maps

Stores a 2D parameterization of APWeightEntries from numerator and denominator histograms or from an efficiency histogram and uncertainties.

Author:

fabian.Kohn@cern.ch

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Constructor & Destructor Documentation

APReweight2D::APReweight2D

(

)

Default constructor.

APReweight2D::APReweight2D	(	TH2 *	denominator_in,
		TH2 *	numerator_in,
		bool	isTrig = false
	)

Constructor for histograms (numerator/denominator) to read in.

APReweight2D::~APReweight2D

(

)

[virtual]

Default destructor.

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Member Function Documentation

APWeightEntry * APReweight2D::GetBinWeight	(	unsigned int	bin_x,
		unsigned int	bin_y
	)			const

Get Weight entry for a given pair of bin numbers.

unsigned int APReweight2D::GetBinX

(

double

value_x

)

const

Get bin number in X that corresponds to a given value.

unsigned int APReweight2D::GetBinY

(

double

value_y

)

const

Get bin number in Y that corresponds to a given value.

TH2D * APReweight2D::GetDenominatorHist

(

)

const

Get original denominator histogram.

TH2D * APReweight2D::GetNumeratorHist

(

)

const

Get original numerator histogram.

double APReweight2D::GetSampleScale

(

)

const

Get scale factor that was calculated from sample sizes upon instantiation.

APWeightEntry * APReweight2D::GetWeight	(	double	value_x,
		double	value_y
	)			const

Get Weight entry for a given pair of values.

unsigned int APReweight2D::NBins

(

)

const

Get amount of bins.

void APReweight2D::ReadEfficiency	(	TH2 *	efficiency_in,
		TH2 *	err_low_in,
		TH2 *	err_high_in = 0
	)

Read efficiencies and upper/lower uncertainty (if numerator/denominator not applicable (e.g. Bootstrap)).

void APReweight2D::SetQuietMode

(

bool

isQuiet = true

)

Sets the flag to turn off messages.

void APReweight2D::SetSystUncert

(

double

rel_uncert

)

Set the global relative (!) systematic uncertainty of all efficiencies/weights.

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

• /cvmfs/atlas.cern.ch/repo/sw/ASG/AnalysisBase/2.4.28/ReweightUtils/ReweightUtils/APReweight2D.h
• /cvmfs/atlas.cern.ch/repo/sw/ASG/AnalysisBase/2.4.28/ReweightUtils/Root/APReweight2D.cxx