SPlot.h

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// @(#)root/roostats:$Id: SPlot.h 29107 2009-06-19 14:26:42Z moneta $
// Author: Kyle Cranmer   21/07/2008

/*************************************************************************
 * Copyright (C) 1995-2008, Rene Brun and Fons Rademakers.               *
 * All rights reserved.                                                  *
 *                                                                       *
 * For the licensing terms see $ROOTSYS/LICENSE.                         *
 * For the list of contributors see $ROOTSYS/README/CREDITS.             *
 *************************************************************************/

#ifndef RooStats_SPlot
#define RooStats_SPlot

class RooAbsReal;
class RooAbsPdf;
class RooFitResult;
class RooRealVar;
class RooSimultaneous;


#ifndef ROO_MSG_SERVICE
#include "RooMsgService.h"
#endif 

#include "RooFitResult.h"
#include "RooRealVar.h"
#include "RooHist.h"
#include "RooPlot.h"
#include "RooDataSet.h"

namespace RooStats{
  
  class SPlot: public TNamed {

  public:

    ~SPlot();
    SPlot();
    SPlot(const SPlot &other);
    SPlot(const char* name, const char* title);
    SPlot(const char* name, const char* title, const RooDataSet &data);
    SPlot(const char* name, const char* title,RooDataSet& data, RooAbsPdf* pdf, 
          const RooArgList &yieldsList,const RooArgSet &projDeps=RooArgSet(), 
          bool includeWeights=kTRUE, bool copyDataSet = kFALSE, const char* newName = "");
    
    RooDataSet* SetSData(RooDataSet* data);

    RooDataSet* GetSDataSet() const;    

    RooArgList GetSWeightVars() const;
    
    Int_t GetNumSWeightVars() const;
    
    void AddSWeight(RooAbsPdf* pdf, const RooArgList &yieldsTmp,
                    const RooArgSet &projDeps=RooArgSet(), bool includeWeights=kTRUE);
    
    Double_t GetSumOfEventSWeight(Int_t numEvent) const;
    
    Double_t GetYieldFromSWeight(const char* sVariable) const;

    Double_t GetSWeight(Int_t numEvent, const char* sVariable) const;

    
  protected:
    
    RooArgList fSWeightVars;

    //  RooListProxy fSWeightVars;
    
    RooDataSet* fSData;

    ClassDef(SPlot,1)   // Class used for making sPlots
      
      
      };
  
}
#endif

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