Decision Tree, Entropy, Information Gain, Gini Index.
model. There seems to be no one preferred approach by different Decision Tree algorithms. For example, CART uses Gini; ID3 and C4.5 use Entropy. The Gini index has a maximum impurity is 0.5 and maximum purity is 0, whereas Entropy has a maximum impurity of 1 and maximum purity is 0. How does a