Machine Learning, Decision Tree, Explainable Ai, Beginners Guide, Understanding.
verify this : Gini impurity with the split at petal width = 1.55 cm Left node : We verify this result on the tree. Right node : Again we verify this result on the tree. The Gini impurity for this split is : The Gini index of a split is ponderated by the number of points for each group. Gini