## Question

###### Problem 2Another measure of impurity of a node is the Gini index The formula of the Gini index for given node that contains individuals of k = 1,_ K classes is:Gini(node) Pk (1 pk:, k=]Show that an equivalent formula for Gini index is given by:Gini(node) = 1 Cp K=l

Problem 2 Another measure of impurity of a node is the Gini index The formula of the Gini index for given node that contains individuals of k = 1,_ K classes is: Gini(node) Pk (1 pk:, k=] Show that an equivalent formula for Gini index is given by: Gini(node) = 1 Cp K=l

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