Q. Choose the correct statement with respect to 'confidence' metric in association rules
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(A)
it is the conditional probability that a randomly selected transaction will include all the items in the consequent given that the transaction includes all the items in the antecedent.
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(B)
a high value of confidence suggests a weak association rule
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(C)
it is the probability that a randomly selected transaction will include all the items in the consequent as well as all the items in the antecedent.
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(D)
confidence is not measured in terms of (estimated) conditional probability.
✅ Correct Answer: (A)
it is the conditional probability that a randomly selected transaction will include all the items in the consequent given that the transaction includes all the items in the antecedent.