Struct Categorical 

pub struct Categorical { /* private fields */ }

Categorical distribution for discrete outcomes

Implementations

impl Categorical

pub fn new(weights: Vec<f64>) -> Result<Categorical, String>

Create a new Categorical distribution

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

where R: Rng,

Sample from the Categorical distribution, returning the index

pub fn len(&self) -> usize

Get the number of categories

pub fn is_empty(&self) -> bool

Check if empty

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

where R: Rng,

Generate multiple samples

pub fn probability(&self, i: usize) -> Option<f64>

Get probability of category i

Trait Implementations

impl Clone for Categorical

fn clone(&self) -> Categorical

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Categorical

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

Formats the value using the given formatter.