Up until the last article, we dealt with "numerical noise" such as missing values and outliers. This time, we are looking at ...

If you are trying to predict color, which can be red, blue or green, ordinal encoding is red = 0, blue = 1, green =2. A dependent variable that has just two possible values is usually encoded using ...

This article explains how to programmatically encode categorical data for use with a machine learning (ML) prediction model such as a neural network classification or regression system. Suppose you ...