Figure 1: Programmatically Encoding Categorical Data The demo is a Python language program ... values is usually encoded using one-hot encoding, or minus-one-plus-one encoding, or zero-one encoding.

Color Color_Encoded 0 Red 2 1 Blue 0 2 Green 1 3 Blue 0 4 Green 1 One-Hot Encoding represents categorical variables as binary vectors. Each category is underlined by a new column, represented by a ...

Data Prep for Machine Learning: Encoding Dr. James McCaffrey of Microsoft Research uses a full code program and screenshots to explain how to programmatically encode categorical data for use with a ...