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StreamingGradientBoostedRegressor

oxirs_stream::ml::regression

Struct StreamingGradientBoostedRegressor 

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pub struct StreamingGradientBoostedRegressor { /* private fields */ }
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Streaming gradient-boosted regressor.

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impl StreamingGradientBoostedRegressor

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pub fn new(config: GbtConfig) -> RegressionResult<Self>

Build a regressor from config.

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pub fn ensemble_size(&self) -> usize

Number of stumps currently in the ensemble.

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pub fn last_loss(&self) -> f64

Last per-batch mean squared error.

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impl Debug for StreamingGradientBoostedRegressor

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

Formats the value using the given formatter. Read more
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impl StreamRegressor for StreamingGradientBoostedRegressor

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fn n_features(&self) -> usize

Configured number of input features.
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fn n_observed(&self) -> u64

Number of (features, target) samples observed so far.
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fn observe(&self, features: &Array1<f64>, target: f64) -> RegressionResult<()>

Update the model with a single observation.
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fn predict(&self, features: &Array1<f64>) -> RegressionResult<f64>

Produce a prediction for features if the model is ready.

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