Struct StreamingFeatureImportance 

pub struct StreamingFeatureImportance { /* private fields */ }

Streaming feature importance calculator

Maintains running importance scores for features in a streaming fashion

Implementations

impl StreamingFeatureImportance

pub fn new() -> Self

Create a new streaming feature importance calculator

pub fn decay_factor(self, decay_factor: f64) -> Result<Self, SklearsError>

Set decay factor for exponential moving average

pub fn update( &mut self, features: &Array1<Float>, target: Float, prediction: Float, ) -> SklResult<()>

Update importance scores with new sample

pub fn get_importance_scores(&self) -> &HashMap<usize, Float>

Get current importance scores

pub fn get_top_features(&self, k: usize) -> Vec<usize>

Get top k most important features

Trait Implementations

impl Clone for StreamingFeatureImportance

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for StreamingFeatureImportance

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

Formats the value using the given formatter.

impl Default for StreamingFeatureImportance

fn default() -> Self

Returns the “default value” for a type.