mbl_stats_nd Class Reference

Simple statistics (mean, variance) on vectors. More...

#include <mbl_stats_nd.h>

List of all members.

Public Member Functions
	mbl_stats_nd ()
void	clear ()
	Remove all data.
void	obs (const vnl_vector< double > &v)
	Add given observation.
unsigned	n_obs () const
	Number of observations.
vnl_vector< double >	mean () const
	Mean of current observations.
vnl_vector< double >	sd () const
	Standard deviation of current observations.
vnl_vector< double >	stdError () const
	Standard error (sd of estimate of mean) of current observations.
vnl_vector< double >	variance () const
	Variance of current observations.
const vnl_vector< double > &	sum () const
	Sum of current observations.
const vnl_vector< double > &	sumSq () const
	Sum of squares of current observations.
mbl_stats_nd &	operator+= (const mbl_stats_nd &s1)
	Add statistics together.
void	print_summary (vcl_ostream &os) const
short	version_no () const
	Version number for I/O.
void	b_write (vsl_b_ostream &bfs) const
void	b_read (vsl_b_istream &bfs)
bool	operator== (const mbl_stats_nd &s) const
	Test for equality.
Private Attributes
vnl_vector< double >	sum_
vnl_vector< double >	sum_sq_
unsigned	n_obs_
Friends
mbl_stats_nd	operator+ (const mbl_stats_nd &s1, const mbl_stats_nd &s2)

---

Detailed Description

Simple statistics (mean, variance) on vectors.

Note: Uses unbiased estimate of variance (ie divide by (n_obs()-1))

Definition at line 15 of file mbl_stats_nd.h.

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Constructor & Destructor Documentation

mbl_stats_nd::mbl_stats_nd

(

)

Definition at line 13 of file mbl_stats_nd.cxx.

---

Member Function Documentation

void mbl_stats_nd::b_read

(

vsl_b_istream &

bfs

)

Definition at line 134 of file mbl_stats_nd.cxx.

void mbl_stats_nd::b_write

(

vsl_b_ostream &

bfs

)

const

Definition at line 125 of file mbl_stats_nd.cxx.

void mbl_stats_nd::clear

(

)

Remove all data.

Definition at line 18 of file mbl_stats_nd.cxx.

vnl_vector< double > mbl_stats_nd::mean

(

)

const

Mean of current observations.

Definition at line 43 of file mbl_stats_nd.cxx.

unsigned mbl_stats_nd::n_obs

(

)

const [inline]

Number of observations.

Definition at line 30 of file mbl_stats_nd.h.

void mbl_stats_nd::obs

(

const vnl_vector< double > &

v

)

Add given observation.

Definition at line 25 of file mbl_stats_nd.cxx.

mbl_stats_nd & mbl_stats_nd::operator+=

(

const mbl_stats_nd &

s1

)

Add statistics together.

Definition at line 100 of file mbl_stats_nd.cxx.

bool mbl_stats_nd::operator==

(

const mbl_stats_nd &

s

)

const

Test for equality.

Definition at line 111 of file mbl_stats_nd.cxx.

void mbl_stats_nd::print_summary

(

vcl_ostream &

os

)

const

Definition at line 160 of file mbl_stats_nd.cxx.

vnl_vector< double > mbl_stats_nd::sd

(

)

const

Standard deviation of current observations.

Definition at line 65 of file mbl_stats_nd.cxx.

vnl_vector< double > mbl_stats_nd::stdError

(

)

const

Standard error (sd of estimate of mean) of current observations.

Definition at line 82 of file mbl_stats_nd.cxx.

const vnl_vector<double>& mbl_stats_nd::sum

(

)

const [inline]

Sum of current observations.

Definition at line 43 of file mbl_stats_nd.h.

const vnl_vector<double>& mbl_stats_nd::sumSq

(

)

const [inline]

Sum of squares of current observations.

Definition at line 46 of file mbl_stats_nd.h.

vnl_vector< double > mbl_stats_nd::variance

(

)

const

Variance of current observations.

Definition at line 49 of file mbl_stats_nd.cxx.

short mbl_stats_nd::version_no

(

)

const

Version number for I/O.

Definition at line 120 of file mbl_stats_nd.cxx.

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Friends And Related Function Documentation

mbl_stats_nd operator+	(	const mbl_stats_nd &	s1,
		const mbl_stats_nd &	s2
	)		[friend]

Definition at line 183 of file mbl_stats_nd.cxx.

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Member Data Documentation

unsigned mbl_stats_nd::n_obs_ [private]

Definition at line 19 of file mbl_stats_nd.h.

vnl_vector<double> mbl_stats_nd::sum_ [private]

Definition at line 17 of file mbl_stats_nd.h.

vnl_vector<double> mbl_stats_nd::sum_sq_ [private]

Definition at line 18 of file mbl_stats_nd.h.

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

• contrib/mul/mbl/mbl_stats_nd.h
• contrib/mul/mbl/mbl_stats_nd.cxx