Struct EpsilonGreedy 

pub struct EpsilonGreedy {
    pub epsilon: f64,
    pub decay_rate: f64,
    pub min_epsilon: f64,
    pub random_state: Option<u64>,
    /* private fields */
}

Epsilon-Greedy strategy for multi-armed bandit active learning

This strategy selects the best-performing query strategy with probability (1-ε) and explores a random strategy with probability ε.

Fields

epsilon: f64

epsilon

decay_rate: f64

decay_rate

min_epsilon: f64

min_epsilon

random_state: Option<u64>

random_state

Implementations

impl EpsilonGreedy

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

pub fn decay_rate(self, decay_rate: f64) -> Self

pub fn min_epsilon(self, min_epsilon: f64) -> Self

pub fn random_state(self, random_state: u64) -> Self

pub fn initialize(&mut self, n_arms: usize)

pub fn select_arm(&mut self) -> Result<usize>

pub fn update(&mut self, arm_idx: usize, reward: f64) -> Result<()>

pub fn get_arm_statistics(&self) -> Vec<(usize, f64, f64)>

Trait Implementations

impl Clone for EpsilonGreedy

fn clone(&self) -> EpsilonGreedy

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for EpsilonGreedy

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

Formats the value using the given formatter.