Struct rv::data::GaussianSuffStat

pub struct GaussianSuffStat { /* fields omitted */ }

Gaussian sufficient statistic.

Holds the number of observations, their sum, and the sum of their squared values.

Implementations

impl GaussianSuffStat

pub fn new() -> Self

pub fn from_parts_unchecked(n: usize, mean: f64, sx: f64) -> Self

Create a sufficient statistic from components without checking whether they are valid.

pub fn n(&self) -> usize

Get the number of observations

pub fn mean(&self) -> f64

Get the sample mean

pub fn sum_x(&self) -> f64

Sum of x

pub fn sum_x_sq(&self) -> f64

Sum of x^2

Trait Implementations

impl Clone for GaussianSuffStat

fn clone(&self) -> GaussianSuffStat

Returns a copy of the value.

pub fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for GaussianSuffStat

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for GaussianSuffStat

fn default() -> Self

Returns the “default value” for a type.

impl From<&'_ Vec<f32, Global>> for GaussianSuffStat

fn from(xs: &Vec<f32>) -> Self

Performs the conversion.

impl From<&'_ Vec<f64, Global>> for GaussianSuffStat

fn from(xs: &Vec<f64>) -> Self

Performs the conversion.

impl<'a> From<&'a GaussianSuffStat> for DataOrSuffStat<'a, f32, Gaussian>

fn from(stat: &'a GaussianSuffStat) -> Self

Performs the conversion.

impl<'a> From<&'a GaussianSuffStat> for DataOrSuffStat<'a, f64, Gaussian>

fn from(stat: &'a GaussianSuffStat) -> Self

Performs the conversion.

impl PartialEq<GaussianSuffStat> for GaussianSuffStat

fn eq(&self, other: &GaussianSuffStat) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &GaussianSuffStat) -> bool

This method tests for !=.

impl StructuralPartialEq for GaussianSuffStat

impl SuffStat<f32> for GaussianSuffStat

fn n(&self) -> usize

Returns the number of observations

fn observe(&mut self, x: &f32)

Assimilate the datum x into the statistic

fn forget(&mut self, x: &f32)

Remove the datum x from the statistic

fn observe_many(&mut self, xs: &[X])

Assimilate several observations

fn forget_many(&mut self, xs: &[X])

Forget several observations

impl SuffStat<f64> for GaussianSuffStat

fn n(&self) -> usize

Returns the number of observations

fn observe(&mut self, x: &f64)

Assimilate the datum x into the statistic

fn forget(&mut self, x: &f64)

Remove the datum x from the statistic

fn observe_many(&mut self, xs: &[X])

Assimilate several observations

fn forget_many(&mut self, xs: &[X])

Forget several observations