8/29/2023 0 Comments When is entropy 0Matplotlib comes in handy for the visualization of our tree.Įntropy is an information theory metric that measures the impurity or uncertainty in a group of observations.The language we shall program in is Python. A code editor such as VS Code which is the code editor I used for this tutorial.To follow along with the code, you’ll require: If you are unfamiliar with decision trees, I recommend you read this article first for an introduction. Steps to use information gain to build a decision tree In this article, we will learn how information gain is computed, and how it is used to train decision trees. There are metrics used to train decision trees. ![]() ![]() Simply put, it takes the form of a tree with branches representing the potential answers to a given question. A decision tree is a supervised learning algorithm used for both classification and regression problems.
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