Struct ForecastAccuracyTracker 

pub struct ForecastAccuracyTracker { /* private fields */ }

Forecast accuracy tracker — stores and queries accuracy metrics.

Implementations

impl ForecastAccuracyTracker

pub fn new() -> Self

Create a new tracker with default staleness (24h).

pub fn with_max_staleness_nanos(self, nanos: i64) -> Self

Set the maximum staleness.

pub fn with_max_entries(self, max: usize) -> Self

Set maximum stored metrics (FIFO eviction when exceeded).

pub fn record(&self, metrics: AccuracyMetrics)

Record an accuracy evaluation.

pub fn evaluate( &self, forecasted: &[f64], actual: &[f64], model_type: &str, measurement: &str, version: &str, ) -> Result<AccuracyMetrics, AnalyticsError>

Evaluate accuracy from forecasted vs actual values and record.

Errors

Returns AnalyticsError::Config if forecasted and actual have different lengths.

pub fn all(&self) -> Vec<AccuracyMetrics>

Get all accuracy metrics.

pub fn for_measurement(&self, measurement: &str) -> Vec<AccuracyMetrics>

Get accuracy metrics for a measurement.

pub fn latest(&self, measurement: &str) -> Option<AccuracyMetrics>

Get the latest accuracy metric for a measurement.

pub fn stale_measurements(&self, known_measurements: &[&str]) -> Vec<String>

Check for stale forecasts — returns measurements with no recent evaluation.

pub fn count(&self) -> usize

Count of recorded evaluations.

Trait Implementations

impl Default for ForecastAccuracyTracker

fn default() -> Self

Returns the “default value” for a type.