In this post, you will learn all what you need about Information Gain metric: What is Information Gain (IG)? Information

The Gini Index (or Gini Impurity) is a widely employed metric for splitting a classification decision tree. In the following

In order to evaluate and compare the performance of regression models, various evaluation metrics can be employed, including R2 score,

When it comes to clustering subject using k-means model, one of the most important question is how to choose K