Compute a depth-two decision tree for the training data in table 1 using the Gini function,...

 

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Compute a depth-two decision tree for the training data in table 1 using the Gini function, C(a) = 2a(1 – a) as described in class. What is the overall accuracy on the training data of the tree? XYZ Number of positive examples Number of negative examples 10 20 0 1 25 5 35 15 0 11 100 35 5 15 30 10 1 10 10 1 1 1 15 5 Table 1: decision tree training data Compute a depth-two decision tree for the training data in table 1 using the Gini function, C(a) = 2a(1 – a) as described in class. What is the overall accuracy on the training data of the tree? XYZ Number of positive examples Number of negative examples 10 20 0 1 25 5 35 15 0 11 100 35 5 15 30 10 1 10 10 1 1 1 15 5 Table 1: decision tree training data

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The error rate for the data without partitioning on any attribute is E 1max501... View the full answer