Struct ClosureScorer 

pub struct ClosureScorer { /* private fields */ }

Custom scoring function wrapper for closures

Implementations

impl ClosureScorer

pub fn new<F>(name: String, scorer_fn: F, higher_is_better: bool) -> Self

where F: Fn(&Array1<Float>, &Array1<Float>) -> Result<f64> + Send + Sync + 'static,

Create a new custom scorer from a closure

Trait Implementations

impl CustomScorer for ClosureScorer

fn score(&self, y_true: &Array1<Float>, y_pred: &Array1<Float>) -> Result<f64>

Compute score given true and predicted values

fn name(&self) -> &str

Get the name of this custom scorer

fn higher_is_better(&self) -> bool

Whether higher scores are better (true) or lower scores are better (false)

impl Debug for ClosureScorer

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

Formats the value using the given formatter.