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AliRoot » PWGHF » VERTEXINGHF » AliSignificanceCalculator

class AliSignificanceCalculator: public TObject


Implementation of the class to calculate statistical
significance from AliMultiVeector objects with signal and
background counts vs. cut values
Origin: Francesco Prino (prino@to.infn.it)

Function Members (Methods)

public:

	AliSignificanceCalculator()
	AliSignificanceCalculator(AliMultiDimVector* sig, AliMultiDimVector* bkg, Float_t normsig = 1., Float_t normbkg = 1.)
	AliSignificanceCalculator(AliMultiDimVector* sig, AliMultiDimVector* bkg, AliMultiDimVector* err2sig, AliMultiDimVector* err2bkg, Float_t normsig = 1., Float_t normbkg = 1.)
virtual	~AliSignificanceCalculator()
void	TObject::AbstractMethod(const char* method) const
virtual void	TObject::AppendPad(Option_t* option = "")
virtual void	TObject::Browse(TBrowser* b)
AliMultiDimVector*	CalculatePurity() const
AliMultiDimVector*	CalculatePurityError() const
void	CalculateSignificance()
AliMultiDimVector*	CalculateSOverB() const
AliMultiDimVector*	CalculateSOverBError() const
static TClass*	Class()
virtual const char*	TObject::ClassName() const
virtual void	TObject::Clear(Option_t* = "")
virtual TObject*	TObject::Clone(const char* newname = "") const
virtual Int_t	TObject::Compare(const TObject* obj) const
virtual void	TObject::Copy(TObject& object) const
virtual void	TObject::Delete(Option_t* option = "")MENU
virtual Int_t	TObject::DistancetoPrimitive(Int_t px, Int_t py)
virtual void	TObject::Draw(Option_t* option = "")
virtual void	TObject::DrawClass() constMENU
virtual TObject*	TObject::DrawClone(Option_t* option = "") constMENU
virtual void	TObject::Dump() constMENU
virtual void	TObject::Error(const char* method, const char* msgfmt) const
virtual void	TObject::Execute(const char* method, const char* params, Int_t* error = 0)
virtual void	TObject::Execute(TMethod* method, TObjArray* params, Int_t* error = 0)
virtual void	TObject::ExecuteEvent(Int_t event, Int_t px, Int_t py)
virtual void	TObject::Fatal(const char* method, const char* msgfmt) const
virtual TObject*	TObject::FindObject(const char* name) const
virtual TObject*	TObject::FindObject(const TObject* obj) const
AliMultiDimVector*	GetBackground() const
virtual Option_t*	TObject::GetDrawOption() const
static Long_t	TObject::GetDtorOnly()
virtual const char*	TObject::GetIconName() const
Float_t	GetMaxSignificance(Int_t* cutIndices, Int_t ptbin) const
virtual const char*	TObject::GetName() const
virtual char*	TObject::GetObjectInfo(Int_t px, Int_t py) const
static Bool_t	TObject::GetObjectStat()
virtual Option_t*	TObject::GetOption() const
AliMultiDimVector*	GetSignal() const
AliMultiDimVector*	GetSignificance() const
AliMultiDimVector*	GetSignificanceError() const
virtual const char*	TObject::GetTitle() const
virtual UInt_t	TObject::GetUniqueID() const
virtual Bool_t	TObject::HandleTimer(TTimer* timer)
virtual ULong_t	TObject::Hash() const
virtual void	TObject::Info(const char* method, const char* msgfmt) const
virtual Bool_t	TObject::InheritsFrom(const char* classname) const
virtual Bool_t	TObject::InheritsFrom(const TClass* cl) const
virtual void	TObject::Inspect() constMENU
void	TObject::InvertBit(UInt_t f)
virtual TClass*	IsA() const
virtual Bool_t	TObject::IsEqual(const TObject* obj) const
virtual Bool_t	TObject::IsFolder() const
Bool_t	TObject::IsOnHeap() const
virtual Bool_t	TObject::IsSortable() const
Bool_t	TObject::IsZombie() const
virtual void	TObject::ls(Option_t* option = "") const
void	TObject::MayNotUse(const char* method) const
virtual Bool_t	TObject::Notify()
void	TObject::Obsolete(const char* method, const char* asOfVers, const char* removedFromVers) const
static void	TObject::operator delete(void* ptr)
static void	TObject::operator delete(void* ptr, void* vp)
static void	TObject::operator delete[](void* ptr)
static void	TObject::operator delete[](void* ptr, void* vp)
void*	TObject::operator new(size_t sz)
void*	TObject::operator new(size_t sz, void* vp)
void*	TObject::operator new[](size_t sz)
void*	TObject::operator new[](size_t sz, void* vp)
virtual void	TObject::Paint(Option_t* option = "")
virtual void	TObject::Pop()
virtual void	TObject::Print(Option_t* option = "") const
virtual Int_t	TObject::Read(const char* name)
virtual void	TObject::RecursiveRemove(TObject* obj)
void	TObject::ResetBit(UInt_t f)
virtual void	TObject::SaveAs(const char* filename = "", Option_t* option = "") constMENU
virtual void	TObject::SavePrimitive(basic_ostream<char,char_traits<char> >& out, Option_t* option = "")
void	SetBackground(AliMultiDimVector* bac, Float_t norm = 1.)
void	TObject::SetBit(UInt_t f)
void	TObject::SetBit(UInt_t f, Bool_t set)
virtual void	TObject::SetDrawOption(Option_t* option = "")MENU
static void	TObject::SetDtorOnly(void* obj)
void	SetErrSquareBackground(AliMultiDimVector* err2bkg, Float_t norm = 1.)
void	SetErrSquareSignal(AliMultiDimVector* err2sig, Float_t norm = 1.)
void	SetNormalizations(Float_t normSig, Float_t normBkg)
static void	TObject::SetObjectStat(Bool_t stat)
void	SetSignal(AliMultiDimVector* sig, Float_t norm = 1.)
virtual void	TObject::SetUniqueID(UInt_t uid)
virtual void	ShowMembers(TMemberInspector&)
virtual void	Streamer(TBuffer&)
void	StreamerNVirtual(TBuffer& ClassDef_StreamerNVirtual_b)
virtual void	TObject::SysError(const char* method, const char* msgfmt) const
Bool_t	TObject::TestBit(UInt_t f) const
Int_t	TObject::TestBits(UInt_t f) const
virtual void	TObject::UseCurrentStyle()
virtual void	TObject::Warning(const char* method, const char* msgfmt) const
virtual Int_t	TObject::Write(const char* name = 0, Int_t option = 0, Int_t bufsize = 0)
virtual Int_t	TObject::Write(const char* name = 0, Int_t option = 0, Int_t bufsize = 0) const

protected:

virtual void	TObject::DoError(int level, const char* location, const char* fmt, va_list va) const
void	TObject::MakeZombie()

private:

	AliSignificanceCalculator(const AliSignificanceCalculator& c)
Bool_t	Check() const
AliSignificanceCalculator&	operator=(const AliSignificanceCalculator& c)

Data Members

public:

enum TObject::EStatusBits {	kCanDelete
	kMustCleanup
	kObjInCanvas
	kIsReferenced
	kHasUUID
	kCannotPick
	kNoContextMenu
	kInvalidObject
};
enum TObject::[unnamed] {	kIsOnHeap
	kNotDeleted
	kZombie
	kBitMask
	kSingleKey
	kOverwrite
	kWriteDelete
};

private:

AliMultiDimVector*	fBackground	background matrix
AliMultiDimVector*	fErrSignificance	matrix with error on significance
AliMultiDimVector*	fErrSquareBackground	matrix with err^2 for background
AliMultiDimVector*	fErrSquareSignal	matrix with err^2 for signal
Float_t	fNormBkg	background normalization
Float_t	fNormSig	signal normalization
AliMultiDimVector*	fSignal	signal matrix
AliMultiDimVector*	fSignificance	significance matrix

Class Charts

Inheritance Chart:

TObject

←

AliSignificanceCalculator

Function documentation

AliSignificanceCalculator()

 default constructor

AliSignificanceCalculator(AliMultiDimVector* sig, AliMultiDimVector* bkg, Float_t normsig = 1., Float_t normbkg = 1.)

 standard constructor

AliSignificanceCalculator(AliMultiDimVector* sig, AliMultiDimVector* bkg, AliMultiDimVector* err2sig, AliMultiDimVector* err2bkg, Float_t normsig = 1., Float_t normbkg = 1.)

 standard constructor

~AliSignificanceCalculator()

 destructor

Bool_t Check() const

 checks AliMultiDimVector dimension and normalization

void CalculateSignificance()

 calculates significance and its error

AliMultiDimVector* CalculatePurity() const

 calculates purity

AliMultiDimVector* CalculatePurityError() const

 calculates error on purity

AliMultiDimVector* CalculateSOverB() const

 Signal over Background

AliMultiDimVector* CalculateSOverBError() const

 Error on Signal over Background

AliSignificanceCalculator()

void SetSignal(AliMultiDimVector* sig, Float_t norm = 1.)

void SetBackground(AliMultiDimVector* bac, Float_t norm = 1.)

void SetErrSquareSignal(AliMultiDimVector* err2sig, Float_t norm = 1.)

void SetErrSquareBackground(AliMultiDimVector* err2bkg, Float_t norm = 1.)

void SetNormalizations(Float_t normSig, Float_t normBkg)

AliMultiDimVector* GetSignal() const

{return fSignal;}

AliMultiDimVector* GetBackground() const

{return fBackground;}

AliMultiDimVector* GetSignificance() const

{return fSignificance;}

AliMultiDimVector* GetSignificanceError() const

{return fErrSignificance;}

Float_t GetMaxSignificance(Int_t* cutIndices, Int_t ptbin) const

AliSignificanceCalculator& operator=(const AliSignificanceCalculator& c)