Dealing with categorical features is a common thing to preprocess before building machine learning models. In real-life data science scenario, it means that the dataset has an attribute stored as text such as days of the week(Monday, Tuesday,…, Sunday), time, colour(Red, Blue, …), or place names, etc.

Read more: https://analyticsindiamag.com/complete-guide-to-handling-categorical-data-using-scikit-learn/

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