How to Find and Encode Categorical Variables in Machine Learning

Maryna Klokova
3 min readSep 30, 2023

Finding and encoding categorical variables is an important step in preparing data for machine learning. Categorical variables are those that represent discrete categories or labels, such as color, gender, or employment status. Machine learning models typically require numerical inputs, so you need to encode these categorical variables into numerical form. Here’s how you can find and encode categorical variables:

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