Struct F1Score 

pub struct F1Score { /* private fields */ }

F1 score, the harmonic mean of precision and recall.

Trait Implementations

impl Clone for F1Score

fn clone(&self) -> F1Score

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for F1Score

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

Formats the value using the given formatter.

impl Default for F1Score

fn default() -> F1Score

Returns the “default value” for a type.

impl Metric for F1Score

type Truth = bool

The ground-truth type for this metric.

type Prediction = bool

The prediction type for this metric.

fn update(&mut self, truth: bool, prediction: bool) -> Result<(), RillError>

Incorporate a single observation.

fn value(&self) -> Option<f64>

Current metric value, or None if not enough data has been seen.

fn samples_seen(&self) -> u64

How many observations have been incorporated.

fn reset(&mut self)

Reset the metric.