Struct FittedOneHotEncoder 

pub struct FittedOneHotEncoder { /* private fields */ }

Fitted OneHotEncoder — holds the number of unique categories per column.

Implementations

impl FittedOneHotEncoder

pub fn transform(&self, x: &Array2<usize>) -> Result<Array2<f64>>

Transform integer-encoded data into one-hot encoded data.

Each input column of k categories is expanded into k binary columns.

pub fn categories(&self) -> &[usize]

Return the number of categories per original column.

pub fn n_output_features(&self) -> usize

Return the total number of output columns after one-hot encoding.

Trait Implementations

impl Clone for FittedOneHotEncoder

fn clone(&self) -> FittedOneHotEncoder

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for FittedOneHotEncoder

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for FittedOneHotEncoder

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for FittedOneHotEncoder

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.