osl::stat::Variance Class Reference

incrementaly maintain average and variance of data sequence More...

#include <variance.h>

Inheritance diagram for osl::stat::Variance:

Public Member Functions
	Variance ()
void	add (const double &x)
double	variance () const

Private Types
typedef Average	base_t

Private Attributes
double	m_variance

Additional Inherited Members
Private Member Functions inherited from osl::stat::Average
	Average ()
double	add (const double &x)
	Add an element x. More...
void	merge (const Average &r)
void	clear (double a=0.0, int e=0)
double	average () const
int	numElements () const

Detailed Description

incrementaly maintain average and variance of data sequence

Definition at line 14 of file variance.h.

Member Typedef Documentation

base_t

typedef Average osl::stat::Variance::base_t

private

Definition at line 17 of file variance.h.

Constructor & Destructor Documentation

Variance()

osl::stat::Variance::Variance ( )

inline

Definition at line 20 of file variance.h.

Member Function Documentation

add()

void osl::stat::Variance::add ( const double &  x )

inline

Definition at line 24 of file variance.h.

References osl::stat::Average::add(), and osl::stat::Average::numElements().

variance()

double osl::stat::Variance::variance ( ) const

inline

Definition at line 33 of file variance.h.

References osl::stat::Average::average(), and osl::stat::Average::numElements().

Member Data Documentation

m_variance

double osl::stat::Variance::m_variance

private

Definition at line 16 of file variance.h.

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

• variance.h