mln::accu::stat::var< T > Struct Template Reference
[On values]

Var accumulator class. More...

#include <var.hh>

Inherits mln::accu::internal::base< mln::algebra::mat< T::dim, T::dim, float >, mln::accu::stat::var< T > >.

List of all members.

Public Types
typedef algebra::vec< dim, float >	mean_t
	Type equipment.
Public Member Functions
bool	is_valid () const
	Check whether this accu returns a valid result.
mean_t	mean () const
	Get the mean vector.
unsigned	n_items () const
	Get the number of items.
template<typename T>
void	take_as_init (const T &t)
	Take as initialization the value t.
template<typename T>
void	take_n_times (unsigned n, const T &t)
	Take n times the value t.
result	to_result () const
	Get the accumulator result (the var value).
result	variance () const
	Get the variance matrix.
void	init ()
	Manipulators.

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Detailed Description

template<typename T>
struct mln::accu::stat::var< T >

Var accumulator class.

Parameter T is the type of vectors

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Member Typedef Documentation

template<typename T>

typedef algebra::vec<dim,float> mln::accu::stat::var< T >::mean_t

Type equipment.

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Member Function Documentation

template<typename T>

void mln::accu::stat::var< T >::init

(

)

[inline]

Manipulators.

template<typename T>

bool mln::accu::stat::var< T >::is_valid

(

)

const [inline]

Check whether this accu returns a valid result.

template<typename T>

var< T >::mean_t mln::accu::stat::var< T >::mean

(

)

const [inline]

Get the mean vector.

References mln::literal::zero.

template<typename T>

unsigned mln::accu::stat::var< T >::n_items

(

)

const [inline]

Get the number of items.

template<typename E>

template<typename T>

void mln::Accumulator< E >::take_as_init

(

const T &

t

)

[inline, inherited]

Take as initialization the value t.

Dev note: this is a final method; override if needed by take_as_init_ (ending with '_').

Reimplemented in mln::accu::stat::variance< T, S, R >.

References mln::mln_exact().

template<typename E>

template<typename T>

void mln::Accumulator< E >::take_n_times	(	unsigned	n,
		const T &	t
	)			[inline, inherited]

Take n times the value t.

Dev note: this is a final method; override if needed by take_as_init_ (ending with '_').

References mln::mln_exact().

template<typename T>

var< T >::result mln::accu::stat::var< T >::to_result

(

)

const [inline]

Get the accumulator result (the var value).

References mln::literal::zero.

Referenced by mln::accu::stat::var< T >::variance().

template<typename T>

var< T >::result mln::accu::stat::var< T >::variance

(

)

const [inline]

Get the variance matrix.

References mln::accu::stat::var< T >::to_result().