Categorical Encoding component

Configuration

Option	Description
Method	Encoding strategy (see table below).
Features	Categorical columns to encode.

Methods

Method	How it works	Best for
Ordinal Encoding	Assigns an integer (0, 1, 2, …) to each category. Preserves order if categories have a natural ranking.	Ordinal categories (e.g. Low / Medium / High)
One Hot Encoding	Creates a new binary column for each unique category value.	Nominal categories with no inherent order (e.g. Color, City)

	Type
Input	DataFrame
Output	DataFrame

Type

Input

DataFrame

Output

DataFrame

One Hot Encoding expands the number of columns. For columns with many unique values (high cardinality), this can make the DataFrame very wide. Consider Feature Selection afterward.

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Categorical Encoding component

Configuration

Methods

Input / Output

​Configuration

​Methods

​Input / Output

Configuration

Methods

Input / Output