Enum DiscreteDistribution 

pub enum DiscreteDistribution {
    Bernoulli {
        p: f64,
    },
    Binomial {
        n: u64,
        p: f64,
    },
    Poisson {
        lambda: f64,
    },
    Geometric {
        p: f64,
    },
    NegativeBinomial {
        r: f64,
        p: f64,
    },
    Hypergeometric {
        N: u64,
        K: u64,
        n: u64,
    },
}

Enum representing common discrete distributions

Variants

Bernoulli

Fields

p: f64

Binomial

Fields

n: u64

p: f64

Poisson

Fields

lambda: f64

Geometric

Fields

p: f64

NegativeBinomial

Fields

r: f64

p: f64

Hypergeometric

Fields

N: u64

K: u64

n: u64

Implementations

impl DiscreteDistribution

pub fn bernoulli(p: f64) -> Result<Self>

Create a Bernoulli distribution

pub fn binomial(n: u64, p: f64) -> Result<Self>

Create a binomial distribution

pub fn poisson(lambda: f64) -> Result<Self>

Create a Poisson distribution

pub fn geometric(p: f64) -> Result<Self>

Create a geometric distribution

pub fn negative_binomial(r: f64, p: f64) -> Result<Self>

Create a negative binomial distribution

pub fn hypergeometric(N: u64, K: u64, n: u64) -> Result<Self>

Create a hypergeometric distribution

pub fn pmf(&self, k: u64) -> f64

Probability mass function

pub fn cdf(&self, k: u64) -> f64

Cumulative distribution function

pub fn sample<R: Rng>(&self, rng: &mut R) -> u64

Generate random sample from distribution

Trait Implementations

impl Clone for DiscreteDistribution

fn clone(&self) -> DiscreteDistribution

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for DiscreteDistribution

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

Formats the value using the given formatter.