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Q. |
Choose the correct statement with respect to ‘confidence’ metric in association rules |
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. |
B. | a high value of confidence suggests a weak association rule |
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. |
D. | confidence is not measured in terms of (estimated) conditional probability. |
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. |
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