Question: Question (C4): (5 marks) Given the following transaction database from a supermarket: 12 Transaction ID TI T2 T3 T4 TS T6 T7 T8 T9 items

Question (C4): (5 marks) Given the following

Question (C4): (5 marks) Given the following transaction database from a supermarket: 12 Transaction ID TI T2 T3 T4 TS T6 T7 T8 T9 items 11, 12, 13 12, 13, 14 12, 14, 15 11,14 11, 12, 13, 15 11, 12, 13 12, 14, 15 12, 13, 14, 15 14,15 II, 15 T10 a) What is the output of the Apriori algorithm run on the above transaction database with minimum support of 60%? (1 mark) b) Calculate the CONFIDENCE: C(XY), for the following association rules: C(11-12), C(1415), C(11-14), C(1213) (1.5 marks) c) Calculate the LIFT: LX-Y), for the following association rules: L(11-12), L(14--15), L(11-14), L(1213) (1.5 marks) d) Refer to part (c), what are the implications of those association rules with LIFT value(s) less than ONE? (1 mark)

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