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What is the entropy of a group in which all examples belong to the same class?
What is the entropy of a group with 50% in either class?
Which of the following best describes the goal of information gain?
In the Huffman coding example provided, what is the average message length?
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What is the relationship between entropy and conditional entropy?
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Which of the following is a key property of decision trees?
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What does impurity measure in a group of examples?
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Which coding scheme assigns bits based on -log2P(X=i) to encode a message X?
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What does entropy measure for a random variable X?
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In decision trees, what does Information Gain help determine?
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What is Mutual Information used for in machine learning?
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What is the purpose of Information Gain in the context of decision trees?
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What is the formula for calculating the entropy of a random variable X?
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What is the relationship between Information Gain and Mutual Information?
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What is the purpose of calculating the conditional entropy in the context of decision trees?
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In the example shown, what is the value of the Information Gain when splitting on the attribute used in the root node?
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Which of the following statements about entropy and information gain is true?
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