CategoricalEncoder | /src/encoding/categorical.ts | vectorizer@v0.7.5

class CategoricalEncoder

import { CategoricalEncoder } from "https://deno.land/x/vectorizer@v0.7.5/src/encoding/categorical.ts";

Convert class labels into categorical variables (one-hot)

Constructors

new

CategoricalEncoder()

mapping: Map<T, number>

Map categories to indices

fit(targets: T[]): this

Construct a mapping from a given set of text.

getOg(data: number): T | undefined

transform<DT extends DataType>(targets: T[], dType: DT): Matrix<DT>

One-hot encoding of categorical values

Convert softmax outputs into categorical outputs This method mutates the original matrix.