In This Package:

Gaudi::Utils::HistoStats Class Reference

The collection of trivial functions to access the statistical information for the histograms. More...

#include <GaudiUtils/HistoStats.h>

List of all members.

Static Public Member Functions
static double	moment (const AIDA::IHistogram1D *histo, const unsigned int order, const double value=0)
	get the "bin-by-bin"-moment around the specified "value"
static double	momentErr (const AIDA::IHistogram1D *histo, const unsigned int order)
	evaluate the uncertanty for 'bin-by-bin'-moment
static double	centralMoment (const AIDA::IHistogram1D *histo, const unsigned int order)
	evaluate the 'bin-by-bin'-central moment (around the mean value)
static double	centralMomentErr (const AIDA::IHistogram1D *histo, const unsigned int order)
	evaluate the uncertanty for 'bin-by-bin'-central moment (around the mean value) ( the uncertanty is calculated with O(1/n2) precision)
static double	skewness (const AIDA::IHistogram1D *histo)
	get the skewness for the histogram
static double	skewnessErr (const AIDA::IHistogram1D *histo)
	get the error in skewness for the histogram
static double	kurtosis (const AIDA::IHistogram1D *histo)
	get the kurtosis for the histogram
static double	kurtosisErr (const AIDA::IHistogram1D *histo)
	get the error in kurtosis for the histogram
static double	mean (const AIDA::IHistogram1D *histo)
	get the mean value for the histogram (just for completeness)
static double	meanErr (const AIDA::IHistogram1D *histo)
	get an error in the mean value
static double	rms (const AIDA::IHistogram1D *histo)
	get the rms value for the histogram (just for completeness)
static double	rmsErr (const AIDA::IHistogram1D *histo)
	get an error in the rms value
static double	nEff (const AIDA::IHistogram1D *histo)
	get the effective entries (just for completeness)

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Detailed Description

The collection of trivial functions to access the statistical information for the histograms.

Author:

Vanya BELYAEV ibelyaev@physics.syr.edu

Date:

2007-08-06

Definition at line 27 of file HistoStats.h.

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Member Function Documentation

static double Gaudi::Utils::HistoStats::moment	(	const AIDA::IHistogram1D *	histo,
		const unsigned int	order,
		const double	value = 0
	)			[static]

get the "bin-by-bin"-moment around the specified "value"

Parameters:

	histo	histogram
	order	the moment parameter
	value	central value

Returns:

the evaluated moment

static double Gaudi::Utils::HistoStats::momentErr	(	const AIDA::IHistogram1D *	histo,
		const unsigned int	order
	)			[static]

evaluate the uncertanty for 'bin-by-bin'-moment

Parameters:

	histo	histogram
	order	the moment parameter
	value	central value

Returns:

the evaluated uncertanty in the moment

static double Gaudi::Utils::HistoStats::centralMoment	(	const AIDA::IHistogram1D *	histo,
		const unsigned int	order
	)			[static]

evaluate the 'bin-by-bin'-central moment (around the mean value)

Parameters:

	histo	histogram
	order	the moment parameter
	value	central value

Returns:

the evaluated central moment

static double Gaudi::Utils::HistoStats::centralMomentErr	(	const AIDA::IHistogram1D *	histo,
		const unsigned int	order
	)			[static]

evaluate the uncertanty for 'bin-by-bin'-central moment (around the mean value) ( the uncertanty is calculated with O(1/n2) precision)

Parameters:

	histo	histogram
	order	the moment parameter
	value	central value

Returns:

the evaluated uncertanty in the central moment

static double Gaudi::Utils::HistoStats::skewness

(

const AIDA::IHistogram1D *

histo

)

[static]

get the skewness for the histogram

static double Gaudi::Utils::HistoStats::skewnessErr

(

const AIDA::IHistogram1D *

histo

)

[static]

get the error in skewness for the histogram

static double Gaudi::Utils::HistoStats::kurtosis

(

const AIDA::IHistogram1D *

histo

)

[static]

get the kurtosis for the histogram

static double Gaudi::Utils::HistoStats::kurtosisErr

(

const AIDA::IHistogram1D *

histo

)

[static]

get the error in kurtosis for the histogram

static double Gaudi::Utils::HistoStats::mean

(

const AIDA::IHistogram1D *

histo

)

[static]

get the mean value for the histogram (just for completeness)

static double Gaudi::Utils::HistoStats::meanErr

(

const AIDA::IHistogram1D *

histo

)

[static]

get an error in the mean value

static double Gaudi::Utils::HistoStats::rms

(

const AIDA::IHistogram1D *

histo

)

[static]

get the rms value for the histogram (just for completeness)

static double Gaudi::Utils::HistoStats::rmsErr

(

const AIDA::IHistogram1D *

histo

)

[static]

get an error in the rms value

static double Gaudi::Utils::HistoStats::nEff

(

const AIDA::IHistogram1D *

histo

)

[static]

get the effective entries (just for completeness)

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The documentation for this class was generated from the following file:

• /home/dayabay/installs/trunk_2011_04_11_opt/NuWa-trunk/gaudi/GaudiUtils/GaudiUtils/HistoStats.h

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