Struct Mse 

pub struct Mse { /* private fields */ }

Mean Squared Error.

Implementations

impl Mse

pub const fn new() -> Self

Create a new MSE accumulator.

Trait Implementations

impl Clone for Mse

fn clone(&self) -> Mse

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Mse

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

Formats the value using the given formatter.

impl Default for Mse

fn default() -> Mse

Returns the “default value” for a type.

impl Metric for Mse

type Truth = f64

The ground-truth type for this metric.

type Prediction = f64

The prediction type for this metric.

fn update(&mut self, truth: f64, prediction: f64) -> 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.