root/RooStats/DebuggingTestStat.h

0001 // @(#)root/roostats:$Id$
0002 // Author: Kyle Cranmer, Lorenzo Moneta, Gregory Schott, Wouter Verkerke
0003 /*************************************************************************
0004  * Copyright (C) 1995-2008, Rene Brun and Fons Rademakers.               *
0005  * All rights reserved.                                                  *
0006  *                                                                       *
0007  * For the licensing terms see $ROOTSYS/LICENSE.                         *
0008  * For the list of contributors see $ROOTSYS/README/CREDITS.             *
0009  *************************************************************************/
0010
0011 #ifndef ROOSTATS_DebuggingTestStat
0012 #define ROOSTATS_DebuggingTestStat
0013
0014 /** \class DebuggingTestStat
0015     \ingroup Roostats
0016
0017 DebuggingTestStat is a simple implementation of the DistributionCreator interface used for debugging.
0018 The sampling distribution is uniformly random between [0,1] and is INDEPENDENT of the data.  So it is not useful
0019 for true statistical tests, but it is useful for debugging.
0020
0021 */
0022
0023 #include "Rtypes.h"
0024
0025 #include "RooStats/TestStatistic.h"
0026 #include "RooStats/ToyMCSampler.h"
0027
0028 #include "RooAbsPdf.h"
0029 #include "RooArgSet.h"
0030 #include "RooRealVar.h"
0031 #include "RooDataSet.h"
0032 #include "SamplingDistribution.h"
0033 #include "TRandom.h"
0034
0035 namespace RooStats {
0036
0037   class DebuggingTestStat : public TestStatistic {
0038
0039    public:
0040      DebuggingTestStat() :
0041        fTestStatistic{new RooRealVar("UniformTestStatistic","UniformTestStatistic",0,0,1)},
0042        fRand{new TRandom()}
0043      {}
0044
0045      /// Main interface to evaluate the test statistic on a dataset
0046      double Evaluate(RooAbsData& /*data*/, RooArgSet& /*paramsOfInterest*/) override  {
0047        //data = data; // avoid warning
0048        //paramsOfInterest = paramsOfInterest; //avoid warning
0049        return fRand->Uniform();
0050      }
0051
0052
0053
0054
0055    private:
0056
0057       RooRealVar* fTestStatistic;
0058       TRandom* fRand;
0059
0060    protected:
0061       ClassDefOverride(DebuggingTestStat,1)   // A concrete implementation of the TestStatistic interface, useful for debugging.
0062    };
0063
0064 }
0065
0066
0067 #endif