d9/d4c/APWeightSum_8h_source.html

/*

  Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration

*/


#ifndef APWeightSum_h

#define APWeightSum_h


#include "TNamed.h"

#include "APEvtWeight.h"

#include <vector>


class APWeightEntry;

class APReweightBase;

class THnSparse;


class APWeightSum : public TNamed {


public:

  APWeightSum();

  virtual ~APWeightSum();

  void AddWeightToEvt(APWeightEntry* weight);

  void FinishEvt(double ext_weight = 1.0);

  void AddEvt(APEvtWeight* evt_weight, double ext_weight = 1.0);


  double GetSumW() const;

  double GetSumW2() const;

  double GetSumWExternal() const;

  double GetStdDev();

  double GetVariance();

  double GetVarianceNoCorr();

  double GetVarianceFullCorr();

  double GetSysUncert() const;


  unsigned long GetKUnweighted() const;


  THnSparse* GetUncertHistogram( APReweightBase* weighter );

  const std::vector<THnSparse*> & GetAllUncertHistograms();


  ClassDef(APWeightSum,1)


protected:

  void Compute();


  std::vector< APWeightEntry* > m_current_evt_weights;

  std::vector< THnSparse* > m_linear_uncert;

  unsigned long int m_k_evt_orig;

  double m_k_evt_weight;

  double m_k_evt_weight2;

  double m_k_evt_weight_external;

  double m_variance;

  double m_variance_nocorr;

  double m_variance_fullcorr;

  double m_variance_sys;

  bool m_isComputed;

};


#endif

APEvtWeight.h

APEvtWeight
Class to calculate the sum of weights ("weighted counter")
Definition APEvtWeight.h:26

APReweightBase
Class to provide common methods for all Reweight classes.
Definition APReweightBase.h:23

APWeightEntry
Class to store a single weight entry (one bin).
Definition APWeightEntry.h:25

APWeightSum::m_k_evt_weight
double m_k_evt_weight
Holds the sum of weights.
Definition APWeightSum.h:60

APWeightSum::GetSumW2
double GetSumW2() const
Returns sum of (weights^2).
Definition APWeightSum.cxx:43

APWeightSum::m_k_evt_weight_external
double m_k_evt_weight_external
Holds the sum of external weights (no trigger weighting).
Definition APWeightSum.h:62

APWeightSum::AddEvt
void AddEvt(APEvtWeight *evt_weight, double ext_weight=1.0)
Adds an event with an externally calculated EvtWeight object.
Definition APWeightSum.cxx:100

APWeightSum::GetVarianceFullCorr
double GetVarianceFullCorr()
Returns the variance, assuming full correlation amongst objects.
Definition APWeightSum.cxx:65

APWeightSum::GetVariance
double GetVariance()
Returns the variance.
Definition APWeightSum.cxx:56

APWeightSum::GetSumWExternal
double GetSumWExternal() const
Returns the sum of weights without taking into account the trigger weighting (external weights only) ...
Definition APWeightSum.cxx:47

APWeightSum::GetVarianceNoCorr
double GetVarianceNoCorr()
Returns the variance, assuming no correlations.
Definition APWeightSum.cxx:61

APWeightSum::m_k_evt_orig
unsigned long int m_k_evt_orig
Holds the original amount of unweighted counts ("sum of 1's").
Definition APWeightSum.h:59

APWeightSum::GetUncertHistogram
THnSparse * GetUncertHistogram(APReweightBase *weighter)
Returns THnSparse holding the uncertainties for given APReweightBase instance.
Definition APWeightSum.cxx:463

APWeightSum::m_variance
double m_variance
Holds the variance.
Definition APWeightSum.h:63

APWeightSum::m_variance_sys
double m_variance_sys
Holds the systematic variance (from systematics assigned to weights).
Definition APWeightSum.h:66

APWeightSum::~APWeightSum
virtual ~APWeightSum()
Default destructor.
Definition APWeightSum.cxx:30

APWeightSum::m_isComputed
bool m_isComputed
Definition APWeightSum.h:67

APWeightSum::GetStdDev
double GetStdDev()
Returns the standard deviation.
Definition APWeightSum.cxx:51

APWeightSum::m_variance_fullcorr
double m_variance_fullcorr
Holds the variance, assuming full correlation amongst objects.
Definition APWeightSum.h:65

APWeightSum::m_k_evt_weight2
double m_k_evt_weight2
Holds the sum of squared weights.
Definition APWeightSum.h:61

APWeightSum::m_variance_nocorr
double m_variance_nocorr
Holds the variance, assuming no correlations.
Definition APWeightSum.h:64

APWeightSum::GetKUnweighted
unsigned long GetKUnweighted() const
Returns the unweighted sum of entries.
Definition APWeightSum.cxx:74

APWeightSum::AddWeightToEvt
void AddWeightToEvt(APWeightEntry *weight)
Adds a weight to the sum of weights.
Definition APWeightSum.cxx:35

APWeightSum::m_linear_uncert
std::vector< THnSparse * > m_linear_uncert
Holds all histograms for uncertainties.
Definition APWeightSum.h:58

APWeightSum::GetSysUncert
double GetSysUncert() const
Returns the systematic uncertainty (from systematics assigned to weights).
Definition APWeightSum.cxx:70

APWeightSum::GetSumW
double GetSumW() const
Returns the sum of weights.
Definition APWeightSum.cxx:39

APWeightSum::FinishEvt
void FinishEvt(double ext_weight=1.0)
Finishes the current event and calculates the event weight.
Definition APWeightSum.cxx:78

APWeightSum::APWeightSum
APWeightSum()
Default constructor.
Definition APWeightSum.cxx:17

APWeightSum::m_current_evt_weights
ClassDef(APWeightSum, 1) protected std::vector< APWeightEntry * > m_current_evt_weights
< Calculates the final uncertainties including correlations.
Definition APWeightSum.h:52

APWeightSum::GetAllUncertHistograms
const std::vector< THnSparse * > & GetAllUncertHistograms()
Returns vector of THnSparses holding the uncertainties for all APReweight IDs.
Definition APWeightSum.cxx:472