Machine Learning, Decision Tree, Information Gain, Entropy.
as the root node. In this case weather has the highest gain value so It will be the root. Gain(S, Weather) = 0.70 Gain(S, Parental_Availability) = 0.61 Gain(S, Wealth) = 0.2816 As shown in the above example, after selecting the root, each of the individual values of the features are determined as