Struct Beta 

pub struct Beta { /* private fields */ }

Beta distribution for modeling proportions and confidence intervals

Implementations

impl Beta

pub fn new(alpha: f64, beta: f64) -> Result<Beta, String>

Create a new Beta distribution

pub fn sample<R>(&self, rng: &mut Random<R>) -> f64

where R: Rng,

Sample from the Beta distribution using the gamma method

pub fn sample_vec<R>(&self, rng: &mut Random<R>, count: usize) -> Vec<f64>

where R: Rng,

Generate multiple samples

pub fn sample_array<R>( &self, rng: &mut Random<R>, count: usize, ) -> ArrayBase<OwnedRepr<f64>, Dim<[usize; 1]>>

where R: Rng,

Generate an array of samples

pub fn parameters(&self) -> (f64, f64)

Get distribution parameters

pub fn mean(&self) -> f64

Calculate mean

pub fn variance(&self) -> f64

Calculate variance

Trait Implementations

impl Clone for Beta

fn clone(&self) -> Beta

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Beta

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

Formats the value using the given formatter.