ROOT: RooStats::SimpleLikelihoodRatioTestStat Class Reference

ROOT 6.06/08

Reference Guide

TestStatistic class that returns -log(L[null] / L[alt]) where L is the likelihood.

It is often called as the LEP Test statistic.

Definition at line 47 of file SimpleLikelihoodRatioTestStat.h.

Public Member Functions
	SimpleLikelihoodRatioTestStat ()

	SimpleLikelihoodRatioTestStat (RooAbsPdf &nullPdf, RooAbsPdf &altPdf)

	SimpleLikelihoodRatioTestStat (RooAbsPdf &nullPdf, RooAbsPdf &altPdf, const RooArgSet &nullParameters, const RooArgSet &altParameters)

virtual	~SimpleLikelihoodRatioTestStat ()

void	SetReuseNLL (Bool_t flag)

void	SetNullParameters (const RooArgSet &nullParameters)

void	SetAltParameters (const RooArgSet &altParameters)

bool	ParamsAreEqual ()

virtual void	SetConditionalObservables (const RooArgSet &set)

virtual Double_t	Evaluate (RooAbsData &data, RooArgSet &nullPOI)
	Main interface to evaluate the test statistic on a dataset given the values for the Null Parameters Of Interest. More...

virtual void	EnableDetailedOutput (bool e=true)

virtual const RooArgSet *	GetDetailedOutput (void) const
	return detailed output: for fits this can be pulls, processing time, ... The returned pointer will not loose validity until another call to Evaluate. More...

virtual const TString	GetVarName () const

Public Member Functions inherited from RooStats::TestStatistic
virtual	~TestStatistic ()

virtual bool	PValueIsRightTail (void) const
	Defines the sign convention of the test statistic. Overwrite function if necessary. More...

Static Public Member Functions
static void	SetAlwaysReuseNLL (Bool_t flag)

Private Attributes
RooAbsPdf *	fNullPdf

RooAbsPdf *	fAltPdf

RooArgSet *	fNullParameters

RooArgSet *	fAltParameters

RooArgSet	fConditionalObs

bool	fFirstEval

bool	fDetailedOutputEnabled

RooArgSet *	fDetailedOutput

RooAbsReal *	fNllNull

RooAbsReal *	fNllAlt
	transient copy of the null NLL More...

Bool_t	fReuseNll

Static Private Attributes
static Bool_t	fgAlwaysReuseNll = kTRUE
	transient copy of the alt NLL More...

#include <RooStats/SimpleLikelihoodRatioTestStat.h>

Inheritance diagram for RooStats::SimpleLikelihoodRatioTestStat:

Collaboration diagram for RooStats::SimpleLikelihoodRatioTestStat:

Constructor & Destructor Documentation

§ SimpleLikelihoodRatioTestStat() [1/3]

RooStats::SimpleLikelihoodRatioTestStat::SimpleLikelihoodRatioTestStat ( )

inline

Definition at line 52 of file SimpleLikelihoodRatioTestStat.h.

§ SimpleLikelihoodRatioTestStat() [2/3]

RooStats::SimpleLikelihoodRatioTestStat::SimpleLikelihoodRatioTestStat	(	RooAbsPdf &	nullPdf,
		RooAbsPdf &	altPdf
	)

inline

Definition at line 67 of file SimpleLikelihoodRatioTestStat.h.

§ SimpleLikelihoodRatioTestStat() [3/3]

RooStats::SimpleLikelihoodRatioTestStat::SimpleLikelihoodRatioTestStat	(	RooAbsPdf &	nullPdf,
		RooAbsPdf &	altPdf,
		const RooArgSet &	nullParameters,
		const RooArgSet &	altParameters
	)

inline

Definition at line 94 of file SimpleLikelihoodRatioTestStat.h.

§ ~SimpleLikelihoodRatioTestStat()

virtual RooStats::SimpleLikelihoodRatioTestStat::~SimpleLikelihoodRatioTestStat ( )

inlinevirtual

Definition at line 119 of file SimpleLikelihoodRatioTestStat.h.

Member Function Documentation

§ EnableDetailedOutput()

virtual void RooStats::SimpleLikelihoodRatioTestStat::EnableDetailedOutput ( bool e = true )

inlinevirtual

Definition at line 174 of file SimpleLikelihoodRatioTestStat.h.

§ Evaluate()

Double_t RooStats::SimpleLikelihoodRatioTestStat::Evaluate	(	RooAbsData &	data,
		RooArgSet &	nullPOI
	)

virtual

Main interface to evaluate the test statistic on a dataset given the values for the Null Parameters Of Interest.

Implements RooStats::TestStatistic.

Definition at line 19 of file SimpleLikelihoodRatioTestStat.cxx.

Referenced by SetConditionalObservables().

§ GetDetailedOutput()

virtual const RooArgSet* RooStats::SimpleLikelihoodRatioTestStat::GetDetailedOutput ( void ) const

inlinevirtual

return detailed output: for fits this can be pulls, processing time, ... The returned pointer will not loose validity until another call to Evaluate.

Reimplemented from RooStats::TestStatistic.

Definition at line 175 of file SimpleLikelihoodRatioTestStat.h.

§ GetVarName()

virtual const TString RooStats::SimpleLikelihoodRatioTestStat::GetVarName ( ) const

inlinevirtual

Implements RooStats::TestStatistic.

Definition at line 177 of file SimpleLikelihoodRatioTestStat.h.

§ ParamsAreEqual()

bool RooStats::SimpleLikelihoodRatioTestStat::ParamsAreEqual ( )

inline

Definition at line 148 of file SimpleLikelihoodRatioTestStat.h.

Referenced by Evaluate().

§ SetAltParameters()

void RooStats::SimpleLikelihoodRatioTestStat::SetAltParameters ( const RooArgSet & altParameters )

inline

Definition at line 140 of file SimpleLikelihoodRatioTestStat.h.

§ SetAlwaysReuseNLL()

void RooStats::SimpleLikelihoodRatioTestStat::SetAlwaysReuseNLL ( Bool_t flag )

static

Definition at line 17 of file SimpleLikelihoodRatioTestStat.cxx.

Referenced by ~SimpleLikelihoodRatioTestStat().

§ SetConditionalObservables()

virtual void RooStats::SimpleLikelihoodRatioTestStat::SetConditionalObservables ( const RooArgSet & set )

inlinevirtual

Definition at line 169 of file SimpleLikelihoodRatioTestStat.h.

§ SetNullParameters()

void RooStats::SimpleLikelihoodRatioTestStat::SetNullParameters ( const RooArgSet & nullParameters )

inline

Definition at line 132 of file SimpleLikelihoodRatioTestStat.h.

§ SetReuseNLL()

void RooStats::SimpleLikelihoodRatioTestStat::SetReuseNLL ( Bool_t flag )

inline

Definition at line 129 of file SimpleLikelihoodRatioTestStat.h.

Member Data Documentation

§ fAltParameters

RooArgSet* RooStats::SimpleLikelihoodRatioTestStat::fAltParameters

private

Definition at line 186 of file SimpleLikelihoodRatioTestStat.h.

Referenced by Evaluate(), ParamsAreEqual(), SetAltParameters(), SimpleLikelihoodRatioTestStat(), and ~SimpleLikelihoodRatioTestStat().

§ fAltPdf

RooAbsPdf* RooStats::SimpleLikelihoodRatioTestStat::fAltPdf

private

Definition at line 184 of file SimpleLikelihoodRatioTestStat.h.

Referenced by Evaluate(), and SimpleLikelihoodRatioTestStat().

§ fConditionalObs

RooArgSet RooStats::SimpleLikelihoodRatioTestStat::fConditionalObs

private

Definition at line 187 of file SimpleLikelihoodRatioTestStat.h.

Referenced by Evaluate(), and SetConditionalObservables().

§ fDetailedOutput

RooArgSet* RooStats::SimpleLikelihoodRatioTestStat::fDetailedOutput

private

Definition at line 191 of file SimpleLikelihoodRatioTestStat.h.

Referenced by EnableDetailedOutput(), Evaluate(), GetDetailedOutput(), SimpleLikelihoodRatioTestStat(), and ~SimpleLikelihoodRatioTestStat().

§ fDetailedOutputEnabled

bool RooStats::SimpleLikelihoodRatioTestStat::fDetailedOutputEnabled

private

Definition at line 190 of file SimpleLikelihoodRatioTestStat.h.

Referenced by EnableDetailedOutput(), Evaluate(), and SimpleLikelihoodRatioTestStat().

§ fFirstEval

bool RooStats::SimpleLikelihoodRatioTestStat::fFirstEval

private

Definition at line 188 of file SimpleLikelihoodRatioTestStat.h.

Referenced by Evaluate(), SetAltParameters(), SetNullParameters(), and SimpleLikelihoodRatioTestStat().

§ fgAlwaysReuseNll

Bool_t RooStats::SimpleLikelihoodRatioTestStat::fgAlwaysReuseNll = kTRUE

staticprivate

transient copy of the alt NLL

Definition at line 195 of file SimpleLikelihoodRatioTestStat.h.

Referenced by Evaluate(), and SetAlwaysReuseNLL().

§ fNllAlt

RooAbsReal* RooStats::SimpleLikelihoodRatioTestStat::fNllAlt

private

transient copy of the null NLL

Definition at line 194 of file SimpleLikelihoodRatioTestStat.h.

Referenced by Evaluate(), SimpleLikelihoodRatioTestStat(), and ~SimpleLikelihoodRatioTestStat().

§ fNllNull

RooAbsReal* RooStats::SimpleLikelihoodRatioTestStat::fNllNull

private

Definition at line 193 of file SimpleLikelihoodRatioTestStat.h.

Referenced by Evaluate(), SimpleLikelihoodRatioTestStat(), and ~SimpleLikelihoodRatioTestStat().

§ fNullParameters

RooArgSet* RooStats::SimpleLikelihoodRatioTestStat::fNullParameters

private

Definition at line 185 of file SimpleLikelihoodRatioTestStat.h.

Referenced by Evaluate(), ParamsAreEqual(), SetNullParameters(), SimpleLikelihoodRatioTestStat(), and ~SimpleLikelihoodRatioTestStat().

§ fNullPdf

RooAbsPdf* RooStats::SimpleLikelihoodRatioTestStat::fNullPdf

private

Definition at line 183 of file SimpleLikelihoodRatioTestStat.h.

Referenced by Evaluate(), and SimpleLikelihoodRatioTestStat().

§ fReuseNll

Bool_t RooStats::SimpleLikelihoodRatioTestStat::fReuseNll

private

Definition at line 196 of file SimpleLikelihoodRatioTestStat.h.

Referenced by Evaluate(), SetReuseNLL(), and SimpleLikelihoodRatioTestStat().

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

roofit/roostats/inc/RooStats/SimpleLikelihoodRatioTestStat.h
roofit/roostats/src/SimpleLikelihoodRatioTestStat.cxx