Trait mathru::stats::distrib::Discrete

pub trait Discrete<A, B> {
    fn pmf<'a, 'b>(&'a self, x: A) -> f64;
    fn cdf<'a, 'b>(&'a self, x: B) -> f64;
    fn mean<'a>(&'a self) -> f64;
    fn variance<'a>(&'a self) -> f64;
}

Discrete distribution

Required Methods

fn pmf<'a, 'b>(&'a self, x: A) -> f64

Probability mass function

Arguments

*x: random variable

fn cdf<'a, 'b>(&'a self, x: B) -> f64

Cumulative distribution function

Arguments

• x: random variable

fn mean<'a>(&'a self) -> f64

Mean

fn variance<'a>(&'a self) -> f64

Variance

Implementors

impl Discrete<u8, f64> for Bernoulli

impl Discrete<u32, f64> for Binomial

impl Discrete<u32, u32> for Poisson