CART Decision Tree: Gini Index Explained

Different algorithms and impurity measures are used for building a Decision Tree (Decision Tree – A Statistical and Analytical tools of better Decisions). One of the decision tree algorithms is CART (Classification and Regression Tree). CART is developed by Breiman, Friedman, Olshen, & Stone in 1984 (Book - Classification and Regression Trees). Classification Tree: When ... Read more

GINI Index: Work out Example

CART is one of the decision tree algorithms and it uses GINI index based impurity measure. A detailed explanation on CART algorithm - CART Decision Tree: Gini Index Explained Binary Target Variable: Worked out Example Consider an example where target variable is binary, the summary table for such example will be similar to below table.   ... Read more