Struct ratel_bandit::GammaBandit

pub struct GammaBandit { /* private fields */ }

A bandit whose arms distribute rewards according to the gamma distributions.

Trait Implementations

impl Bandit<f64> for GammaBandit

fn arms(&self) -> usize

Returns the number of arms on the bandit.

fn best_arm(&self) -> usize

Returns the arm with highest average reward.

fn mean(&self, arm: usize) -> f64

The expected return of each arm.

fn reward(&self, arm: usize) -> f64

Determines the reward for pulling a given arm.

fn std(&self, arm: usize) -> f64

The standard deviations of each arm.

fn max_reward(&self) -> f64

The maximum average reward of all the arms.

fn means(&self) -> Vec<f64>

The average rewards of all the arms.

fn stds(&self) -> Vec<f64>

the standard deviations of all the arms.