Trait probability::distribution::Variance
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[src]
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
Provided Methods
Implementors
impl Variance for Bernoulli
impl Variance for Beta
impl Variance for Binomial
impl Variance for Categorical
impl Variance for Exponential
impl Variance for Gamma
impl Variance for Gaussian
impl Variance for Logistic
impl Variance for Lognormal
impl Variance for Triangular
impl Variance for Uniform