TFractionFitter

class TFractionFitter : public TObject

    private:

      void CheckConsistency()
      void CheckParNo(Int_t parm) const
      void ComputeFCN(Int_t& npar, Double_t* gin, Double_t& f, Double_t* par, Int_t flag)
      void FindPrediction(int bin, double* fractions, double& Ti, int& k0, double& Aki) const
      void GetRanges(Int_t& minX, Int_t& maxX, Int_t& minY, Int_t& maxY, Int_t& minZ, Int_t& maxZ) const

    public:

                      TFractionFitter(TH1* data, TObjArray* MCs)
                      TFractionFitter()
              virtual ~TFractionFitter()
       static TClass* Class()
                 void Constrain(Int_t parm, Double_t low, Double_t high)
                 void ErrorAnalysis(Double_t UP)
                Int_t Fit()
      TVirtualFitter* GetFitter() const
                 TH1* GetPlot()
                 void GetResult(Int_t parm, Double_t& value, Double_t& error) const
      virtual TClass* IsA() const
                 void ReleaseRangeX()
                 void ReleaseRangeY()
                 void ReleaseRangeZ()
                 void SetData(TH1* data)
                 void SetMC(Int_t parm, TH1* MC)
                 void SetRangeX(Int_t low, Int_t high)
                 void SetRangeY(Int_t low, Int_t high)
                 void SetRangeZ(Int_t low, Int_t high)
                 void SetWeight(Int_t parm, TH1* weight)
         virtual void ShowMembers(TMemberInspector& insp, char* parent)
         virtual void Streamer(TBuffer& b)
                 void StreamerNVirtual(TBuffer& b)
                 void UnConstrain(Int_t parm)

Data Members

    protected:

         Bool_t fFitDone       flags whether a valid fit has been performed
          Int_t fLowLimitX     first bin in X dimension
          Int_t fHighLimitX    last  bin in X dimension
          Int_t fLowLimitY     first bin in Y dimension
          Int_t fHighLimitY    last  bin in Y dimension
          Int_t fLowLimitZ     first bin in Z dimension
          Int_t fHighLimitZ    last  bin in Z dimension
           TH1* fData          pointer to the "data" histogram to be fitted to
      TObjArray fMCs           array of pointers to template histograms
      TObjArray fWeights       array of pointers to corresponding weight factors (may be null)
       Double_t fIntegralData  "data" histogram content integral over allowed fit range
      Double_t* fIntegralMCs   same for template histograms (weights not taken into account)
      Double_t* fFractions     template fractions scaled to the "data" histogram statistics
           TH1* fPlot          pointer to histogram containing summed template predictions
          Int_t fNpar          number of fit parameters

Class Description