Struct FeatureSelectionBuilder 

pub struct FeatureSelectionBuilder { /* private fields */ }

Fluent API for building feature selection configurations

Implementations

impl FeatureSelectionBuilder

pub fn new() -> Self

Create a new fluent feature selection builder

pub fn preset(self, preset_name: &str) -> Self

Apply a preset configuration for common use cases

pub fn parallel(self) -> Self

Enable parallel processing

pub fn random_state(self, seed: u64) -> Self

Set random state for reproducibility

pub fn verbose(self) -> Self

Enable verbose output

pub fn validation_split(self, ratio: f64) -> Self

Set validation split ratio

pub fn scoring(self, metric: &str) -> Self

Set scoring metric

pub fn remove_low_variance(self, threshold: f64) -> Self

Add variance threshold filtering step

pub fn select_k_best(self, k: usize) -> Self

Add SelectKBest filtering step

pub fn select_k_best_with_scorer(self, k: usize, score_func: &str) -> Self

Add SelectKBest with custom scoring function

pub fn rfe(self, estimator: &str, n_features: Option<usize>) -> Self

Add Recursive Feature Elimination step

pub fn rfe_cv(self, estimator: &str, cv_folds: usize) -> Self

Add RFE with Cross-Validation step

pub fn custom_filter(self, name: &str, params: HashMap<String, f64>) -> Self

Add custom filter step

pub fn fit_transform( &self, X: ArrayView2<'_, f64>, y: ArrayView1<'_, f64>, ) -> Result<FluentSelectionResult>

Build and execute the feature selection pipeline

Trait Implementations

impl Clone for FeatureSelectionBuilder

fn clone(&self) -> FeatureSelectionBuilder

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for FeatureSelectionBuilder

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

Formats the value using the given formatter.

impl Default for FeatureSelectionBuilder

fn default() -> Self

Returns the “default value” for a type.