AliHFMassFitterVAR for the fit of invariant mass distribution of charmed mesons. More...

#include <AliHFMassFitterVAR.h>

Inheritance diagram for AliHFMassFitterVAR:

Public Member Functions
	AliHFMassFitterVAR ()

	AliHFMassFitterVAR (const TH1F *histoToFit, Double_t minvalue, Double_t maxvalue, Int_t rebin=1, Int_t fittypeb=0, Int_t fittypes=0)

virtual	~AliHFMassFitterVAR ()

	AliHFMassFitterVAR (const AliHFMassFitterVAR &mfit)

AliHFMassFitterVAR &	operator= (const AliHFMassFitterVAR &mfit)

void	WriteCanvas (TString userIDstring="", TString path="./", Double_t nsigma=3, Int_t writeFitInfo=1, Bool_t draw=kFALSE) const
	setters More...

void	DrawHere (TVirtualPad *pd, Double_t nsigma=3, Int_t writeFitInfo=1)

void	IntS (Float_t *valuewitherror) const

Double_t	IntTot () const
	integral of signal given my the fit with error More...

void	Signal (Double_t nOfSigma, Double_t &signal, Double_t &errsignal) const
	return total integral of the histogram More...

void	Signal (Double_t min, Double_t max, Double_t &signal, Double_t &errsignal) const
	signal in nsigma with error More...

void	Background (Double_t nOfSigma, Double_t &background, Double_t &errbackground) const
	signal in (min, max) with error More...

void	Background (Double_t min, Double_t max, Double_t &background, Double_t &errbackground) const
	backgournd in nsigma with error More...

void	Significance (Double_t nOfSigma, Double_t &significance, Double_t &errsignificance) const
	backgournd in (min, max) with error More...

void	Significance (Double_t min, Double_t max, Double_t &significance, Double_t &errsignificance) const
	significance in nsigma with error More...

Double_t	GetReflOverSignal (Double_t &err) const
	significance in (min, max) with error More...

TH1F *	SetTemplateReflections (const TH1 *h, TString option="templ", Double_t minRange=1.72, Double_t maxRange=2.05)

void	SetFixReflOverS (Double_t val, Bool_t fixpar=kTRUE)

void	SetFixGaussianMean (Double_t mean=1.865, Bool_t fixpar=kTRUE)

void	SetFixGaussianSigma (Double_t sigma=0.012, Bool_t fixpar=kTRUE)

void	SetBackHighPolDegree (Int_t deg)

Double_t	BackFitFuncPolHelper (Double_t x, Double_t par)
	More...

Bool_t	PrepareHighPolFit (TF1 *fback)

void	SetParticlePdgMass (Double_t mass)

Double_t	GetParticlePdgMass ()

Double_t	FitFunction4MassDistr (Double_t x, Double_t par)
	significance in (min, max) with error More...

Double_t	FitFunction4Sgn (Double_t x, Double_t par)

Double_t	FitFunction4Bkg (Double_t x, Double_t par)

Double_t	FitFunction4Refl (Double_t x, Double_t par)

Double_t	FitFunction4BkgAndReflDraw (Double_t x, Double_t par)

Bool_t	MassFitter (Bool_t draw=kTRUE)

Bool_t	RefitWithBkgOnly (Bool_t draw=kTRUE)

TH1F *	GetOverBackgroundResidualsAndPulls (Double_t minrange=0, Double_t maxrange=-1, TH1 hPulls=0x0, TH1 hResidualTrend=0x0, TH1 *hPullsTrend=0x0)

TH1F *	GetAllRangeResidualsAndPulls (Double_t minrange=0, Double_t maxrange=-1, TH1 hPulls=0x0, TH1 hResidualTrend=0x0, TH1 *hPullsTrend=0x0)

TPaveText *	GetYieldBox (Double_t nsigma=3.)

TPaveText *	GetFitParametersBox (Double_t nsigma=3., Int_t mode=0)

Public Member Functions inherited from AliHFMassFitter
	AliHFMassFitter ()

	AliHFMassFitter (const TH1F *histoToFit, Double_t minvalue, Double_t maxvalue, Int_t rebin=1, Int_t fittypeb=kExpo, Int_t fittypes=kGaus)

virtual	~AliHFMassFitter ()

	AliHFMassFitter (const AliHFMassFitter &mfit)

AliHFMassFitter &	operator= (const AliHFMassFitter &mfit)

void	SetHisto (const TH1F *histoToFit)
	setters More...

void	SetRangeFit (Double_t minvalue, Double_t maxvalue)

void	SetMinRangeFit (Double_t minvalue)

void	SetMaxRangeFit (Double_t maxvalue)

void	SetBinN (Int_t newbinN)

void	SetType (Int_t fittypeb, Int_t fittypes)

void	SetReflectionSigmaFactor (Int_t constant)

void	SetInitialGaussianMean (Double_t mean)

void	SetInitialGaussianSigma (Double_t sigma)
	change the default value of the mean More...

void	SetSideBands (Bool_t onlysidebands=kTRUE)
	change the default value of the sigma More...

void	SetFixParam (Bool_t *fixpar)
	consider only side bands More...

virtual void	SetDefaultFixParam ()

virtual Bool_t	SetFixThisParam (Int_t thispar, Bool_t fixpar)

TH1F *	GetHistoClone () const

void	GetRangeFit (Double_t &minvalue, Double_t &maxvalue) const
	return the histogram More...

Double_t	GetMinRangeFit () const

Double_t	GetMaxRangeFit () const

Int_t	GetBinN () const

void	GetFitPars (Float_t *pars) const

Int_t	GetNFinalPars () const

void	GetTypeOfFit (Bool_t &background, Int_t &typeb) const

Int_t	GetReflectionSigmaFactor () const

Double_t	GetMean () const

Double_t	GetMeanUncertainty () const

Double_t	GetSigma () const

Double_t	GetSigmaUncertainty () const

Double_t	GetRawYield () const

Double_t	GetRawYieldError () const

Double_t	GetChiSquare () const

Double_t	GetBkgChiSquare ()

Double_t	GetReducedChiSquare () const

Double_t	GetBkgReducedChiSquare ()

Double_t	GetFitProbability () const

void	GetSideBandsBounds (Int_t &lb, Int_t &hb) const

Bool_t *	GetFixParam () const

Bool_t	GetFixThisParam (Int_t thispar) const

TH1F *	GetResidualsAndPulls (TH1 h, TF1 f, Double_t minrange=0, Double_t maxrange=-1, TH1 hPulls=0x0, TH1 hResidualTrend=0x0, TH1 *hPullsTrend=0x0)

TVirtualPad *	GetPad (Double_t nsigma=3, Int_t writeFitInfo=1) const

void	PrintParTitles () const

void	InitNtuParam (TString ntuname="ntupar")

void	FillNtuParam ()
	initialize TNtuple to store the parameters More...

TNtuple *	GetNtuParam () const

TNtuple *	NtuParamOneShot (TString ntuname="ntupar")
	return the TNtuple More...

void	WriteHisto (TString path="./") const
	the three functions above all together More...

void	WriteNtuple (TString path="./") const
	write the histogram More...

void	DrawHere (TVirtualPad *pd, Double_t nsigma=3, Int_t writeFitInfo=1) const
	write the canvas in a root file More...

void	DrawFit (Double_t nsigma=3) const

void	Reset ()

void	Significance (Double_t nOfSigma, Double_t &significance, Double_t &errsignificance) const
	backgournd in (min, max) with error More...

void	Significance (Double_t min, Double_t max, Double_t &significance, Double_t &errsignificance) const
	significance in nsigma with error More...

void	RebinMass (Int_t bingroup=1)

TF1 *	GetBackgroundFullRangeFunc ()

TF1 *	GetBackgroundRecalcFunc ()

TF1 *	GetMassFunc ()

void	SetUseLikelihoodFit ()

void	SetUseLikelihoodWithWeightsFit ()

void	SetUseChi2Fit ()

void	SetFitOption (TString opt)

Private Member Functions
void	PlotFitVAR (TVirtualPad *pd, Double_t nsigma=3, Int_t writeFitInfo=1)

void	ComputeParSize ()

void	ComputeNFinalPars ()

Bool_t	SideBandsBounds ()

Bool_t	CheckRangeFit ()

void	AddFunctionsToHisto ()

Private Attributes
Int_t	fNparSignal

Int_t	fNparBack
	number of signal parameters More...

Int_t	fNparRefl
	number of bkg parameters More...

TH1F *	fhTemplRefl
	number of reflection parameters More...

TString *	fSignParNames
	template of reflection contribution More...

TString *	fBackParNames
	signal parameter names More...

TString *	fReflParNames
	back parameter names More...

Bool_t	fSmoothRefl
	refl parameter names More...

Double_t	fReflInit
	smoothing refl template More...

Bool_t *	fFixParSign
	initial value of Refl/Signal More...

Bool_t *	fFixParBack
	fix signal parameter from ext value More...

Bool_t *	fFixParRefl
	fix signal parameter from ext value More...

Bool_t *	fFixParSignExternalValue
	fix signal parameter from ext value More...

Bool_t *	fFixParBackExternalValue
	fix signal parameter from ext value More...

Bool_t *	fFixParReflExternalValue
	fix signal parameter from ext value More...

Double_t *	fparSignFixExt
	fix signal parameter from ext value More...

Double_t *	fparBackFixExt
	external values to fix signal parameters More...

Double_t *	fparReflFixExt
	external values to fix back parameters More...

Double_t	fRawYieldHelp
	external values to fix refl parameters More...

Int_t	fpolbackdegreeTay
	internal variable used when fitting with reflections More...

Int_t	fpolbackdegreeTayHelp
	degree of polynomial expansion for back fit (option 6 for back) More...

Double_t	fMassParticle
	help variable More...

Additional Inherited Members
Public Types inherited from AliHFMassFitter
enum	ETypeOfBkg { kExpo =0, kLin =1, kPol2 =2, kNoBk =3, kPow =4, kPowEx =5 }

enum	ETypeOfSgn { kGaus =0, k2Gaus =1 }

Protected Member Functions inherited from AliHFMassFitter
virtual void	PlotFit (TVirtualPad *pd, Double_t nsigma=3, Int_t writeFitInfo=1) const

Bool_t	SideBandsBounds ()

Protected Attributes inherited from AliHFMassFitter
TH1F *	fhistoInvMass

Double_t	fminMass
	histogram to fit More...

Double_t	fmaxMass
	lower mass limit More...

Int_t	fminBinMass
	upper mass limit More...

Int_t	fmaxBinMass
	bin corresponding to fminMass More...

Int_t	fNbin
	bin corresponding to fmaxMass More...

Int_t	fParsSize
	number of bins More...

Int_t	fNFinalPars
	size of fFitPars array More...

Float_t *	fFitPars
	number of parameters of the final function More...

Bool_t	fWithBkg

Int_t	ftypeOfFit4Bkg
	signal+background (kTRUE) or signal only (kFALSE) More...

Int_t	ftypeOfFit4Sgn
	0 = exponential; 1 = linear; 2 = pol2 More...

Int_t	ffactor
	0 = gaus; 1 = gaus+gaus broadened More...

TNtuple *	fntuParam
	number to multiply to the sigma of the signal to obtain the reflected gaussian More...

Double_t	fMass
	contains fit parameters More...

Double_t	fMassErr
	signal gaussian mean value More...

Double_t	fSigmaSgn
	err signal gaussian mean value More...

Double_t	fSigmaSgnErr
	signal gaussian sigma More...

Double_t	fRawYield
	err signal gaussian sigma More...

Double_t	fRawYieldErr
	signal gaussian integral More...

Bool_t	fSideBands
	err on signal gaussian integral More...

Bool_t *	fFixPar
	kTRUE = only side bands considered More...

Int_t	fSideBandl

Int_t	fSideBandr
	left side band limit (bin number) More...

Int_t	fcounter
	right side band limit (bin number) More...

Int_t	fNpfits
	internal counter More...

TString	fFitOption
	Number of points used in the fit. More...

TList *	fContourGraph
	L, LW or Chi2. More...

Detailed Description

AliHFMassFitterVAR for the fit of invariant mass distribution of charmed mesons.

Author: Author: C.Bianchin, chiar.nosp@m.a.bi.nosp@m.anchi.nosp@m.n@pd.nosp@m..infn.nosp@m..it

Definition at line 28 of file AliHFMassFitterVAR.h.

Constructor & Destructor Documentation

AliHFMassFitterVAR::AliHFMassFitterVAR ( )

Definition at line 59 of file AliHFMassFitterVAR.cxx.

AliHFMassFitterVAR::AliHFMassFitterVAR	(	const TH1F *	histoToFit,
		Double_t	minvalue,
		Double_t	maxvalue,
		Int_t	rebin = `1`,
		Int_t	fittypeb = `0`,
		Int_t	fittypes = `0`
	)

Definition at line 92 of file AliHFMassFitterVAR.cxx.

AliHFMassFitterVAR::~AliHFMassFitterVAR ( )

virtual

Definition at line 216 of file AliHFMassFitterVAR.cxx.

AliHFMassFitterVAR::AliHFMassFitterVAR ( const AliHFMassFitterVAR & mfit )

Definition at line 145 of file AliHFMassFitterVAR.cxx.

Member Function Documentation

void AliHFMassFitterVAR::AddFunctionsToHisto ( )

privatevirtual

Reimplemented from AliHFMassFitter.

Definition at line 1217 of file AliHFMassFitterVAR.cxx.

Referenced by MassFitter(), and RefitWithBkgOnly().

Double_t AliHFMassFitterVAR::BackFitFuncPolHelper	(	Double_t *	x,
		Double_t *	par
	)

Definition at line 556 of file AliHFMassFitterVAR.cxx.

Referenced by PrepareHighPolFit().

void AliHFMassFitterVAR::Background	(	Double_t	nOfSigma,
		Double_t &	background,
		Double_t &	errbackground
	)		const

virtual

signal in (min, max) with error

Reimplemented from AliHFMassFitter.

Definition at line 1647 of file AliHFMassFitterVAR.cxx.

Referenced by GetYieldBox(), PlotFitVAR(), Signal(), and Significance().

void AliHFMassFitterVAR::Background	(	Double_t	min,
		Double_t	max,
		Double_t &	background,
		Double_t &	errbackground
	)		const

virtual

backgournd in nsigma with error

Reimplemented from AliHFMassFitter.

Definition at line 1664 of file AliHFMassFitterVAR.cxx.

Bool_t AliHFMassFitterVAR::CheckRangeFit ( )

privatevirtual

Reimplemented from AliHFMassFitter.

Definition at line 747 of file AliHFMassFitterVAR.cxx.

Referenced by AliHFMassFitterVAR().

void AliHFMassFitterVAR::ComputeNFinalPars ( )

privatevirtual

Reimplemented from AliHFMassFitter.

Definition at line 1799 of file AliHFMassFitterVAR.cxx.

Referenced by AliHFMassFitterVAR(), and SetBackHighPolDegree().

void AliHFMassFitterVAR::ComputeParSize ( )

privatevirtual

Reimplemented from AliHFMassFitter.

Definition at line 1759 of file AliHFMassFitterVAR.cxx.

Referenced by AliHFMassFitterVAR(), and SetBackHighPolDegree().

void AliHFMassFitterVAR::DrawHere	(	TVirtualPad *	pd,
		Double_t	nsigma = `3`,
		Int_t	writeFitInfo = `1`
	)

Definition at line 1391 of file AliHFMassFitterVAR.cxx.

Referenced by AliHFMultiTrials::DoMultiTrials(), and ProjectCombinHFAndFit().

Double_t AliHFMassFitterVAR::FitFunction4Bkg	(	Double_t *	x,
		Double_t *	par
	)

virtual

Reimplemented from AliHFMassFitter.

Definition at line 568 of file AliHFMassFitterVAR.cxx.

Referenced by AddFunctionsToHisto(), FitFunction4BkgAndReflDraw(), FitFunction4MassDistr(), GetOverBackgroundResidualsAndPulls(), MassFitter(), and RefitWithBkgOnly().

Double_t AliHFMassFitterVAR::FitFunction4BkgAndReflDraw	(	Double_t *	x,
		Double_t *	par
	)

Definition at line 525 of file AliHFMassFitterVAR.cxx.

Referenced by AddFunctionsToHisto(), GetOverBackgroundResidualsAndPulls(), and PlotFitVAR().

Double_t AliHFMassFitterVAR::FitFunction4MassDistr	(	Double_t *	x,
		Double_t *	par
	)

virtual

significance in (min, max) with error

Reimplemented from AliHFMassFitter.

Definition at line 471 of file AliHFMassFitterVAR.cxx.

Referenced by GetAllRangeResidualsAndPulls(), and MassFitter().

Double_t AliHFMassFitterVAR::FitFunction4Refl	(	Double_t *	x,
		Double_t *	par
	)

Definition at line 540 of file AliHFMassFitterVAR.cxx.

Referenced by FitFunction4BkgAndReflDraw(), and FitFunction4MassDistr().

Double_t AliHFMassFitterVAR::FitFunction4Sgn	(	Double_t *	x,
		Double_t *	par
	)

virtual

Reimplemented from AliHFMassFitter.

Definition at line 511 of file AliHFMassFitterVAR.cxx.

Referenced by FitFunction4Bkg(), and FitFunction4MassDistr().

TH1F * AliHFMassFitterVAR::GetAllRangeResidualsAndPulls	(	Double_t	minrange = `0`,
		Double_t	maxrange = `-1`,
		TH1 *	hPulls = `0x0`,
		TH1 *	hResidualTrend = `0x0`,
		TH1 *	hPullsTrend = `0x0`
	)

virtual

Reimplemented from AliHFMassFitter.

Definition at line 2032 of file AliHFMassFitterVAR.cxx.

TPaveText * AliHFMassFitterVAR::GetFitParametersBox	(	Double_t	nsigma = `3.`,
		Int_t	mode = `0`
	)

virtual

Reimplemented from AliHFMassFitter.

Definition at line 1930 of file AliHFMassFitterVAR.cxx.

TH1F * AliHFMassFitterVAR::GetOverBackgroundResidualsAndPulls	(	Double_t	minrange = `0`,
		Double_t	maxrange = `-1`,
		TH1 *	hPulls = `0x0`,
		TH1 *	hResidualTrend = `0x0`,
		TH1 *	hPullsTrend = `0x0`
	)

virtual

Reimplemented from AliHFMassFitter.

Definition at line 1988 of file AliHFMassFitterVAR.cxx.

Double_t AliHFMassFitterVAR::GetParticlePdgMass ( )

inline

Definition at line 110 of file AliHFMassFitterVAR.h.

Double_t AliHFMassFitterVAR::GetReflOverSignal ( Double_t & err ) const

significance in (min, max) with error

Definition at line 1576 of file AliHFMassFitterVAR.cxx.

TPaveText * AliHFMassFitterVAR::GetYieldBox ( Double_t nsigma = 3. )

virtual

Reimplemented from AliHFMassFitter.

Definition at line 1961 of file AliHFMassFitterVAR.cxx.

void AliHFMassFitterVAR::IntS ( Float_t * valuewitherror ) const

virtual

Reimplemented from AliHFMassFitter.

Definition at line 1202 of file AliHFMassFitterVAR.cxx.

Double_t AliHFMassFitterVAR::IntTot ( ) const

inlinevirtual

integral of signal given my the fit with error

Reimplemented from AliHFMassFitter.

Definition at line 90 of file AliHFMassFitterVAR.h.

Bool_t AliHFMassFitterVAR::MassFitter ( Bool_t draw = kTRUE )

virtual

Reimplemented from AliHFMassFitter.

Definition at line 797 of file AliHFMassFitterVAR.cxx.

Referenced by AliHFMultiTrials::DoMultiTrials(), and ProjectCombinHFAndFit().

AliHFMassFitterVAR & AliHFMassFitterVAR::operator= ( const AliHFMassFitterVAR & mfit )

Definition at line 242 of file AliHFMassFitterVAR.cxx.

void AliHFMassFitterVAR::PlotFitVAR	(	TVirtualPad *	pd,
		Double_t	nsigma = `3`,
		Int_t	writeFitInfo = `1`
	)

private

Definition at line 1399 of file AliHFMassFitterVAR.cxx.

Referenced by DrawHere().

Bool_t AliHFMassFitterVAR::PrepareHighPolFit ( TF1 * fback )

Definition at line 1059 of file AliHFMassFitterVAR.cxx.

Referenced by MassFitter(), and RefitWithBkgOnly().

Bool_t AliHFMassFitterVAR::RefitWithBkgOnly ( Bool_t draw = kTRUE )

virtual

Reimplemented from AliHFMassFitter.

Definition at line 1121 of file AliHFMassFitterVAR.cxx.

Referenced by MassFitter().

void AliHFMassFitterVAR::SetBackHighPolDegree ( Int_t deg )

Definition at line 331 of file AliHFMassFitterVAR.cxx.

Referenced by ConfigureFitterVAR(), and AliHFMultiTrials::DoMultiTrials().

void AliHFMassFitterVAR::SetFixGaussianMean	(	Double_t	mean = `1.865`,
		Bool_t	fixpar = `kTRUE`
	)

inlinevirtual

Reimplemented from AliHFMassFitter.

Definition at line 104 of file AliHFMassFitterVAR.h.

Referenced by ConfigureFitterVAR(), and AliHFMultiTrials::DoMultiTrials().

void AliHFMassFitterVAR::SetFixGaussianSigma	(	Double_t	sigma = `0.012`,
		Bool_t	fixpar = `kTRUE`
	)

inlinevirtual

Reimplemented from AliHFMassFitter.

Definition at line 105 of file AliHFMassFitterVAR.h.

Referenced by ConfigureFitterVAR(), and AliHFMultiTrials::DoMultiTrials().

void AliHFMassFitterVAR::SetFixReflOverS	(	Double_t	val,
		Bool_t	fixpar = `kTRUE`
	)

inline

Definition at line 99 of file AliHFMassFitterVAR.h.

Referenced by ConfigureFitterVAR().

void AliHFMassFitterVAR::SetParticlePdgMass ( Double_t mass )

inline

Definition at line 109 of file AliHFMassFitterVAR.h.

TH1F * AliHFMassFitterVAR::SetTemplateReflections	(	const TH1 *	h,
		TString	option = `"templ"`,
		Double_t	minRange = `1.72`,
		Double_t	maxRange = `2.05`
	)

Definition at line 342 of file AliHFMassFitterVAR.cxx.

Referenced by ConfigureFitterVAR().

Bool_t AliHFMassFitterVAR::SideBandsBounds ( )

private

Definition at line 677 of file AliHFMassFitterVAR.cxx.

Referenced by MassFitter().

void AliHFMassFitterVAR::Signal	(	Double_t	nOfSigma,
		Double_t &	signal,
		Double_t &	errsignal
	)		const

virtual

return total integral of the histogram

Reimplemented from AliHFMassFitter.

Definition at line 1558 of file AliHFMassFitterVAR.cxx.

Referenced by GetYieldBox(), PlotFitVAR(), and Significance().

void AliHFMassFitterVAR::Signal	(	Double_t	min,
		Double_t	max,
		Double_t &	signal,
		Double_t &	errsignal
	)		const

virtual

signal in nsigma with error

Reimplemented from AliHFMassFitter.

Definition at line 1595 of file AliHFMassFitterVAR.cxx.

void AliHFMassFitterVAR::Significance	(	Double_t	nOfSigma,
		Double_t &	significance,
		Double_t &	errsignificance
	)		const

backgournd in (min, max) with error

Definition at line 1728 of file AliHFMassFitterVAR.cxx.

Referenced by AliHFMultiTrials::DoMultiTrials().

void AliHFMassFitterVAR::Significance	(	Double_t	min,
		Double_t	max,
		Double_t &	significance,
		Double_t &	errsignificance
	)		const

significance in nsigma with error

Definition at line 1740 of file AliHFMassFitterVAR.cxx.

void AliHFMassFitterVAR::WriteCanvas	(	TString	userIDstring = `""`,
		TString	path = `"./"`,
		Double_t	nsigma = `3`,
		Int_t	writeFitInfo = `1`,
		Bool_t	draw = `kFALSE`
	)		const