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information_gain

dtrees_rs::algorithms::common::heuristics::helpers

Function information_gain 

Source 
pub fn information_gain(
    parent_distribution: &[usize],
    left_distribution: &[usize],
    right_distribution: &[usize],
    parent_entropy: f64,
) -> f64
Expand description

Entropy of the parent minus the weighted entropy of the children.