Question: Let I = { I1, I2, I3, , I10 } be a set of items, where Ij denotes an item ID. Consider the transaction database
Let I = { I1, I2, I3, , I10 } be a set of items, where Ij denotes an item ID. Consider the transaction database D, defined in the table below:
Transaction ID List of Items in the Transaction
T1 I1, I3, I4
T2 I1, I2
T3 I5, I6, I7,I9
T4 I1, I2, I6,I10
T5 I1, I6, I8,I9
(1) Determine the support and the confidence of the association rule A B, where
A = { I1 }, B = { I2 }
(2) Is the rule A B given above strong if
(a) min_sup = 30%
(b) min_sup = 50%
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