Struct HoeffdingClassifierConfigBuilder 

pub struct HoeffdingClassifierConfigBuilder { /* private fields */ }

Available on crate feature alloc only.

Builder for HoeffdingClassifierConfig.

All fields have sensible defaults. Call .build() to finalize.

Implementations

impl HoeffdingClassifierConfigBuilder

pub fn max_depth(self, d: usize) -> Self

Set the maximum tree depth.

pub fn delta(self, d: f64) -> Self

Set the Hoeffding bound confidence parameter.

pub fn grace_period(self, g: usize) -> Self

Set the minimum samples before split evaluation.

pub fn n_bins(self, b: usize) -> Self

Set the number of histogram bins per feature.

pub fn n_features(self, f: usize) -> Self

Set the number of features (0 for lazy init).

pub fn max_classes(self, c: usize) -> Self

Set the maximum number of classes (0 for auto-discover).

pub fn build(self) -> Result<HoeffdingClassifierConfig, String>

Build the configuration, validating all parameters.

Errors

Returns Err(String) if:

• max_depth is 0
• delta is not in (0, 1)
• grace_period is 0
• n_bins is less than 2

Trait Implementations

impl Clone for HoeffdingClassifierConfigBuilder

fn clone(&self) -> HoeffdingClassifierConfigBuilder

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for HoeffdingClassifierConfigBuilder

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

Formats the value using the given formatter.