Enum SelectionMethod 

pub enum SelectionMethod {
    Tournament {
        size: usize,
    },
    RouletteWheel,
    RankBased {
        pressure: f64,
    },
}

Selection method to use.

Variants

Tournament

Tournament selection with given tournament size.

Fields

size: usize

RouletteWheel

Roulette wheel (fitness-proportionate) selection.

RankBased

Rank-based selection: linear ranking with selective pressure.

Fields

pressure: f64

Implementations

impl SelectionMethod

pub fn tournament() -> Self

Default tournament selection (size 3).

pub fn rank_based() -> Self

Default rank-based (pressure 1.5).

Trait Implementations

impl Clone for SelectionMethod

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for SelectionMethod

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

Formats the value using the given formatter.

impl Selection for SelectionMethod

fn select( &self, pop: &TernaryPopulation, n: usize, rng: &mut SimpleRng, ) -> Vec<TernaryAgent>

Select n parents from the population.