How To Choose Root Node For Decision Tree? Table Of Contents: How To Choose Root Node For Decision Tree? How To Choose Root Node For Decision Tree? Let’s build a decision tree for a dataset to decide whether to Play Tennis based on conditions like weather, temperature, humidity, and wind. Step-1: Calculate The Overall Entropy Overall entropy tells us how much dataset is disordered initially. Step-2: Calculate Information Gain For Each Attribute. We now calculate the Information Gain for each attribute by splitting the dataset based on its values. Step-3: Choose the Attribute With The Highest Information Gain The attribute

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