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Consider the following set of training examples for the unknown target function X1,X2Y. 1. What is the sample entropy H(Y) for this training data (with

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Consider the following set of training examples for the unknown target function X1,X2Y. 1. What is the sample entropy H(Y) for this training data (with logarithms base 2)? 2. What are the information gains IG(X1)H(Y)H(YX1) and IG(X2)H(Y)H(YX2) for this sample of training data? 3. Draw the decision tree that would be learned by ID3 (without postpruning) from this sample of training data

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