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#include <mln/accu/stat/variance.hh>
Public Member Functions | |
variance () | |
bool | is_valid () const |
R | mean () const |
unsigned | n_items () const |
R | standard_deviation () const |
R | subj_ () |
S | sum () const |
void | take_as_init_ (const T &t) |
void | take_n_times (unsigned n, const T &t) |
void | take_n_times_ (unsigned n, const T &t) |
R | to_result () const |
R | var () const |
void | init () |
void | take_as_init (const argument &t) |
void | take (const argument &t) |
void | take (const variance< T, S, R > &other) |
void | take (unsigned n_times, const argument &t) |
Protected Attributes | |
unsigned | n_ |
S | sum2_ |
S | sum_ |
Public Types | |
typedef T | argument |
typedef Accumulator< void > | category |
typedef variance< T, S, R > | exact_t |
typedef R | q_result |
typedef R | result |
Variance accumulator class.
Parameter T
is the type of values that we sum. Parameter S
is the type to store the value sum and the sum of value
S
is the summation type (property) of T
. Parameter R
is the type of the mean and variance values; the default type of R
is S
. Definition at line 61 of file variance.hh.
mln::accu::stat::variance< T, S, R >::variance | ( | ) |
void mln::accu::stat::variance< T, S, R >::init | ( | ) |
Manipulators.
bool mln::accu::stat::variance< T, S, R >::is_valid | ( | ) | const |
Check whether this accu is able to return a result.
Always true here.
R mln::accu::stat::variance< T, S, R >::mean | ( | ) | const |
Get the mean value.
unsigned mln::accu::stat::variance< T, S, R >::n_items | ( | ) | const |
Get the number of items.
R mln::accu::stat::variance< T, S, R >::standard_deviation | ( | ) | const |
Get the standard deviation value.
|
inherited |
S mln::accu::stat::variance< T, S, R >::sum | ( | ) | const |
Get the sum value.
void mln::accu::stat::variance< T, S, R >::take | ( | const argument & | t | ) |
void mln::accu::stat::variance< T, S, R >::take | ( | const variance< T, S, R > & | other | ) |
void mln::accu::stat::variance< T, S, R >::take | ( | unsigned | n_times, |
const argument & | t | ||
) |
void mln::accu::stat::variance< T, S, R >::take_as_init | ( | const argument & | t | ) |
Take as initialization the value t
.
Reimplemented from mln::Accumulator< variance< T, S, R > >.
|
inherited |
INTERNAL_API
Default implementation of "take as initialization".
|
inherited |
Take n
times the value t
.
|
inherited |
INTERNAL_API
Default implementation of "take n times".
R mln::accu::stat::variance< T, S, R >::to_result | ( | ) | const |
Get the accumulator result (the variance value).
R mln::accu::stat::variance< T, S, R >::var | ( | ) | const |
Get the variance value.
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protected |
Definition at line 102 of file variance.hh.
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protected |
Definition at line 103 of file variance.hh.
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protected |
Definition at line 103 of file variance.hh.
typedef T mln::accu::stat::variance< T, S, R >::argument |
Definition at line 63 of file variance.hh.
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inherited |
Definition at line 64 of file accumulator.hh.
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inherited |
typedef R mln::accu::stat::variance< T, S, R >::result |
Definition at line 64 of file variance.hh.