A Decision Tree has min_samples_split=20 . A node with 18 samples and Gini = 0.45 is encountered. What happens?

Question

A Decision Tree has  min_samples_split=20 . A node with 18 samples and Gini = 0.45 is encountered. What happens?

Answer

The node becomes a leaf, despite its high impurity

Answer

An error is raised because the impurity is too high for a leaf

Answer

The node is removed from the tree entirely

Answer

The node is split because Gini is above the threshold

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