1A Database Has Five Transactions T100 To T500 As

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(1)A database has five transactions (T100 to T500) as shown in the table below. Let min sup-3 and…

(1)A database has five transactions (T100 to T500) as shown in the table below. Let min sup-3 and mi-conf-8090. TID T100 M, O, N, K, E, Y T200 D, O, N, K, E, Y ) T300{M, A, K, E) T400 M, U, C, K, Y) T500 | {C, О. О. К. 1 ,E) items bought Find all the frequent itemset晜using Apriori algorithm. You must show the contents of Ck and Lk tables in each step (please refer to your lecture slides for examples) a. b. List all the strong association rules (with support and confidence) (2) The following incomplete contingency table summarizes supermarket transaction data, where hot dogs refers to the transactions containing hot dogs, -hot dogs refers to the transactions that do not contain hot dogs, hamburgers refers to the transactions containing hamburgers, -hamburgers refers to the transactions that do not contain hamburgers and hamburgers -hamburgers hot dogs 2000 1000 hot dogs 500 5000 a. Comple te the contingency table b. Suppose that the association rule "hot dogs support threshold of 25% and a minimum confidence threshold of 50%, is this association rule strong? Show the calculation to support your answer hamburgers" is mined. Given a minimum Based on the given data, is the purchase of hot dogs independent of the purchase of hamburgers? If not, what kind of correlation relationship exists between the two? Show the Lift c. calculation to support your answer

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