Forecaster

chie_core::forecasting

Struct Forecaster 

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pub struct Forecaster { /* private fields */ }
Expand description

A forecaster for time series data.

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impl Forecaster

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pub fn new(method: ForecastMethod) -> Self

Create a new forecaster with the specified method.

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pub fn with_config( method: ForecastMethod, max_samples: usize, smoothing_alpha: f64, ) -> Self

Create a forecaster with custom configuration.

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pub fn add_sample(&mut self, value: f64)

Add a sample to the historical data.

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pub fn add_samples(&mut self, values: &[f64])

Add multiple samples at once.

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pub fn forecast(&self, periods: usize) -> Option<f64>

Forecast the value for periods ahead.

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pub fn growth_rate(&self) -> Option<f64>

Get the current growth rate (slope of linear trend).

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pub fn time_to_capacity(&self, capacity: f64) -> Option<usize>

Estimate periods until reaching a capacity threshold.

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pub fn confidence(&self) -> Option<f64>

Get the confidence level of the forecast (0-1).

Based on R-squared for linear regression.

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pub fn is_anomalous(&self, threshold: f64) -> bool

Detect if current trend is anomalous compared to forecast.

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pub fn sample_count(&self) -> usize

Get the number of samples.

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pub fn latest_value(&self) -> Option<f64>

Get the latest sample value.

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pub fn clear(&mut self)

Clear all samples.

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