cgv::utils::statistics Class Reference

incrementally accumulate statistical information More...

#include <statistics.h>

Public Member Functions
	statistics ()
	initialize with no value considered yet
	statistics (const double &v)
	initialize and consider one value
	statistics (const double &v, unsigned int n)
	initialize and consider n equal values
void	init ()
	initialize
void	init (const double &v)
	initialize and consider one value
void	init (const double &v, unsigned int n)
	initialize and consider n equal values
void	update (const double &v)
	consider another value
void	update (const double &v, unsigned int n)
	consider another value count times
double	get_average () const
	compute average of the considered values
double	get_variance () const
	compute variance of the considered values
double	get_standard_deviation () const
	compute standard deviation of the considered values
double	get_sum () const
	get the sum of the considered variables
double	get_sum_of_squares () const
	get the sum of the squares of the considered variables
double	get_min () const
	get the minimum of the considered variables
double	get_max () const
	get the maximum of the considered variables
unsigned int	get_count () const
	get the number of considered variables

Protected Attributes
double	min
double	max
double	sum
double	sms
unsigned int	cnt

Detailed Description

incrementally accumulate statistical information

Definition at line 12 of file statistics.h.

Constructor & Destructor Documentation

statistics() [1/3]

cgv::utils::statistics::statistics

(

)

initialize with no value considered yet

incrementally accumulate statistical information

initialize with no value considered yet

Definition at line 11 of file statistics.cxx.

References init().

statistics() [2/3]

cgv::utils::statistics::statistics

(

const double &

v

)

initialize and consider one value

Definition at line 16 of file statistics.cxx.

References init().

statistics() [3/3]

cgv::utils::statistics::statistics	(	const double &	v,
		unsigned int	n
	)

initialize and consider n equal values

Definition at line 18 of file statistics.cxx.

References init().

Member Function Documentation

get_average()

double cgv::utils::statistics::get_average

(

)

const

compute average of the considered values

Definition at line 50 of file statistics.cxx.

Referenced by get_variance().

get_count()

unsigned int cgv::utils::statistics::get_count

(

)

const

get the number of considered variables

Definition at line 70 of file statistics.cxx.

get_max()

double cgv::utils::statistics::get_max

(

)

const

get the maximum of the considered variables

Definition at line 68 of file statistics.cxx.

Referenced by cgv::render::texture::write_to_file().

get_min()

double cgv::utils::statistics::get_min

(

)

const

get the minimum of the considered variables

Definition at line 66 of file statistics.cxx.

Referenced by cgv::render::texture::write_to_file().

get_standard_deviation()

double cgv::utils::statistics::get_standard_deviation

(

)

const

compute standard deviation of the considered values

Definition at line 58 of file statistics.cxx.

References get_variance().

get_sum()

double cgv::utils::statistics::get_sum

(

)

const

get the sum of the considered variables

Definition at line 62 of file statistics.cxx.

get_sum_of_squares()

double cgv::utils::statistics::get_sum_of_squares

(

)

const

get the sum of the squares of the considered variables

Definition at line 64 of file statistics.cxx.

get_variance()

double cgv::utils::statistics::get_variance

(

)

const

compute variance of the considered values

Definition at line 52 of file statistics.cxx.

References get_average().

Referenced by get_standard_deviation().

init() [1/3]

void cgv::utils::statistics::init

(

)

initialize

Definition at line 20 of file statistics.cxx.

Referenced by statistics(), statistics(), statistics(), update(), and update().

init() [2/3]

void cgv::utils::statistics::init

(

const double &

v

)

initialize and consider one value

Definition at line 22 of file statistics.cxx.

init() [3/3]

void cgv::utils::statistics::init	(	const double &	v,
		unsigned int	n
	)

initialize and consider n equal values

Definition at line 24 of file statistics.cxx.

update() [1/2]

void cgv::utils::statistics::update

(

const double &

v

)

consider another value

Definition at line 26 of file statistics.cxx.

References init().

Referenced by cgv::render::texture::write_to_file().

update() [2/2]

void cgv::utils::statistics::update	(	const double &	v,
		unsigned int	n
	)

consider another value count times

Definition at line 38 of file statistics.cxx.

References init().

Member Data Documentation

cnt

unsigned int cgv::utils::statistics::cnt

protected

Definition at line 49 of file statistics.h.

max

double cgv::utils::statistics::max

protected

Definition at line 48 of file statistics.h.

min

double cgv::utils::statistics::min

protected

Definition at line 48 of file statistics.h.

sms

double cgv::utils::statistics::sms

protected

Definition at line 48 of file statistics.h.

sum

double cgv::utils::statistics::sum

protected

Definition at line 48 of file statistics.h.

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

• cgv/utils/statistics.h
• cgv/utils/statistics.cxx