Struct LabelEncoder 

pub struct LabelEncoder { /* private fields */ }

Label encoder for converting string labels to integers.

Implementations

impl LabelEncoder

pub fn new() -> Self

Create a new label encoder.

pub fn fit(&mut self, labels: &[String]) -> &mut Self

Fit the encoder to labels.

pub fn transform(&self, labels: &[String]) -> TrainResult<Array1<usize>>

Transform labels to integers.

pub fn inverse_transform( &self, indices: &Array1<usize>, ) -> TrainResult<Vec<String>>

Inverse transform integers to labels.

pub fn fit_transform(&mut self, labels: &[String]) -> TrainResult<Array1<usize>>

Fit and transform in one step.

pub fn num_classes(&self) -> usize

Get number of classes.

pub fn classes(&self) -> &[String]

Get class labels.

Trait Implementations

impl Clone for LabelEncoder

fn clone(&self) -> LabelEncoder

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for LabelEncoder

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

Formats the value using the given formatter.

impl Default for LabelEncoder

fn default() -> Self

Returns the “default value” for a type.