Struct DirichletMultinomialConjugate 

pub struct DirichletMultinomialConjugate { /* private fields */ }

Dirichlet-Multinomial conjugate prior

Prior: Dir(α) Likelihood: Multinomial(n, θ) Posterior: Dir(α + counts)

Implementations

impl DirichletMultinomialConjugate

pub fn new(alpha: Vec<f64>) -> Result<Self>

Create new Dirichlet-Multinomial conjugate prior

pub fn update(&self, counts: &[usize]) -> Result<DirichletDistribution>

Compute posterior distribution given counts

Arguments

• counts - Observed counts for each category

pub fn posterior_predictive(&self, counts: &[usize]) -> Result<Vec<f64>>

Posterior predictive probabilities

Trait Implementations

impl Clone for DirichletMultinomialConjugate

fn clone(&self) -> DirichletMultinomialConjugate

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for DirichletMultinomialConjugate

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

Formats the value using the given formatter.