Trait probability::distribution::Variance

pub trait Variance: Mean {
    fn variance(&self) -> f64;

    fn deviation(&self) -> f64 { ... }
}

A distribution capable of computing the variance.

The trait is applicable when the variance exists, that is, finite.

Required methods

fn variance(&self) -> f64

Compute the variance.

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Provided methods

fn deviation(&self) -> f64

Compute the standard deviation.

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Implementors

impl Variance for Bernoulli

fn variance(&self) -> f64

impl Variance for Beta

fn variance(&self) -> f64

impl Variance for Binomial

fn variance(&self) -> f64

impl Variance for Categorical

fn variance(&self) -> f64

impl Variance for Exponential

fn variance(&self) -> f64

fn deviation(&self) -> f64

impl Variance for Gamma

fn variance(&self) -> f64

impl Variance for Gaussian

fn variance(&self) -> f64

fn deviation(&self) -> f64

impl Variance for Laplace

fn variance(&self) -> f64

fn deviation(&self) -> f64

impl Variance for Logistic

fn variance(&self) -> f64

impl Variance for Lognormal

fn variance(&self) -> f64

impl Variance for Pert

fn variance(&self) -> f64

impl Variance for Triangular

fn variance(&self) -> f64

impl Variance for Uniform

fn variance(&self) -> f64

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