A database has four transactions. Let min sup 60 % and min conf 80 % cust...
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A database has four transactions. Let min sup 60 % and min conf 80 % cust ID TID items.bought (in the form of brand-item.category) T100 King's-Crab, Sunset-Milk, Dairyland-Cheese, Best-Bread T200 Best-Cheese, Dairyland-Milk, Goldenfarm-Apple, Tasty-Pie, Wonder-Bread T300 Westcoast-Apple, Dairyland-Milk, Wonder-Bread, Tasty-Pie T400 Wonder-Bread, Sunset-Milk, Dairyland-Cheese) 01 02 01 03 (a) At the granularity of item category (e.g., itemi could be "Milk"), for the rule template, buys (X,item3) scl, E transaction, buys(X,item1) A buys(X,item2) list the frequent k-itemset for the largest k, and all the strong association rules (with their support s and confidence c) containing the frequent k-itemset for the largest k. (b) At the granularity of brand-item category (e.g., itemi could be "Sunset-Milk"), for the rule template, E customer, buys(X.item1) A buys(X,item2) buys(X,item3), list the frequent k-itemset for the largest k (but do not print any rules) A database has four transactions. Let min sup 60 % and min conf 80 % cust ID TID items.bought (in the form of brand-item.category) T100 King's-Crab, Sunset-Milk, Dairyland-Cheese, Best-Bread T200 Best-Cheese, Dairyland-Milk, Goldenfarm-Apple, Tasty-Pie, Wonder-Bread T300 Westcoast-Apple, Dairyland-Milk, Wonder-Bread, Tasty-Pie T400 Wonder-Bread, Sunset-Milk, Dairyland-Cheese) 01 02 01 03 (a) At the granularity of item category (e.g., itemi could be "Milk"), for the rule template, buys (X,item3) scl, E transaction, buys(X,item1) A buys(X,item2) list the frequent k-itemset for the largest k, and all the strong association rules (with their support s and confidence c) containing the frequent k-itemset for the largest k. (b) At the granularity of brand-item category (e.g., itemi could be "Sunset-Milk"), for the rule template, E customer, buys(X.item1) A buys(X,item2) buys(X,item3), list the frequent k-itemset for the largest k (but do not print any rules)
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ANSWER SOLUTIONa At the granularity of items following transactions items only exist 01 T100 Crab Milk Cheese Bread 02 T200 Cheese Milk Apple Pie Bread 01 T300 Apple Milk Bread Pie 03 T400 Bread Milk ... View the full answer
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