Struct BiasedVariance

pub struct BiasedVariance<T> { /* private fields */ }

Returns the Biased Variance, which is the Sum of the Squares (SST) scaled by 1/N (the current count)

Implementations

impl<T> BiasedVariance<T>

where T: Copy + Default,

pub fn get_mean(&self) -> T

pub fn get_unweighted_sum_of_squares(&self) -> Option<T>

pub fn get_biased_variance(&self) -> Option<T>

Trait Implementations

impl<T: Clone> Clone for BiasedVariance<T>

fn clone(&self) -> BiasedVariance<T>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<T: Debug> Debug for BiasedVariance<T>

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

Formats the value using the given formatter.

impl<T: Default> Default for BiasedVariance<T>

fn default() -> BiasedVariance<T>

Returns the “default value” for a type.

impl<T> StreamingStatistic for BiasedVariance<T>

where T: Sub<T, Output = T> + Copy + Default + Div<f64, Output = T> + Add<T, Output = T> + Mul<f64, Output = T> + Mul<T, Output = T>,

type Type = T

fn add_sample(&mut self, sample: Self::Type) -> Self::Type

adds a sample to this streaming statistic, returning a result of the operation.

fn get_last_sample(&self) -> Self::Type

Returns a copy of the last sample added

fn get_last_result(&self) -> Self::Type

Returns the last value returned by ‘add_sample’

fn get_num_samples(&self) -> u64

Returns the total number of samples pushed in

impl<T: Copy> Copy for BiasedVariance<T>