Struct CostMatrix 

pub struct CostMatrix { /* private fields */ }

Cost matrix for cost-sensitive learning

Implementations

impl CostMatrix

pub fn new( false_positive_costs: Array1<Float>, false_negative_costs: Array1<Float>, ) -> Self

Create a new cost matrix

pub fn uniform(n_labels: usize, fp_cost: Float, fn_cost: Float) -> Self

Create uniform cost matrix

pub fn fp_cost(&self, label_idx: usize) -> Float

Get false positive cost for a label

pub fn fn_cost(&self, label_idx: usize) -> Float

Get false negative cost for a label

Trait Implementations

impl Clone for CostMatrix

fn clone(&self) -> CostMatrix

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for CostMatrix

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

Formats the value using the given formatter.