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class RooStats::SimpleLikelihoodRatioTestStat: public RooStats::TestStatistic

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

Function Members (Methods)

Data Members

private:
RooArgSet*fAltParameters
RooAbsPdf*fAltPdf
static Bool_tfAlwaysReuseNll
boolfFirstEval
RooNLLVar*fNllAlt! transient copy of the alt NLL
RooNLLVar*fNllNull! transient copy of the null NLL
RooArgSet*fNullParameters
RooAbsPdf*fNullPdf
Bool_tfReuseNll

Class Charts

Inheritance Inherited Members Includes Libraries
Class Charts

Function documentation

SimpleLikelihoodRatioTestStat()




 SimpleLikelihoodRatioTestStat(RooAbsPdf& nullPdf, RooAbsPdf& altPdf)






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






virtual ~SimpleLikelihoodRatioTestStat()






void SetAlwaysReuseNLL(Bool_t flag)



{ fAlwaysReuseNll = flag ; }






void SetReuseNLL(Bool_t flag)



{ fReuseNll = flag ; }






void SetNullParameters(const RooArgSet& nullParameters)






void SetAltParameters(const RooArgSet& altParameters)






bool ParamsAreEqual()






Double_t Evaluate(RooAbsData& data, RooArgSet& nullPOI)






const TString GetVarName() const