Question: need help!! When using the CART aigorithm, the Gini index is used in the classification tree, however in a regression tree, is used to measure

need help!!

When using the CART aigorithm, the Gini index is used in the classification tree, however in a regression tree, is used to measure impurity. Multiple Cholce mean percentage error meon squared error mean absolute doviation Tneah absolute percentage errot

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