Struct TopKAccuracy 

pub struct TopKAccuracy {
    pub k: usize,
}

Top-K accuracy metric. Measures whether the correct class is in the top K predictions.

Fields

k: usize

Number of top predictions to consider.

Implementations

impl TopKAccuracy

pub fn new(k: usize) -> Self

Create a new Top-K accuracy metric.

Trait Implementations

impl Clone for TopKAccuracy

fn clone(&self) -> TopKAccuracy

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for TopKAccuracy

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

Formats the value using the given formatter.

impl Default for TopKAccuracy

fn default() -> Self

Returns the “default value” for a type.

impl Metric for TopKAccuracy

fn compute( &self, predictions: &ArrayView<'_, f64, Ix2>, targets: &ArrayView<'_, f64, Ix2>, ) -> TrainResult<f64>

Compute metric value.

fn name(&self) -> &str

Get metric name.

fn reset(&mut self)

Reset metric state (for stateful metrics).