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Consider the following transactional data from a computer shop. Table 3 . 1 Assume that the minimum support is 5 0 % and confidence is

Consider the following transactional data from a computer shop.
Table 3.1
Assume that the minimum support is 50% and confidence is 80%.
(a) Find all the frequent item sets. In your answer, show the candidate item sets obtained at each step of the pruning stage and list down all the frequent item sets.
(b) Generate the Apriori rule(s) for frequent item set L3. In your answer, show the working steps on how you obtain the rules and list down the finalised rules.
(c) Determine support and lift for the identified rule(s) in Q3(b).
(d) Identify the least popular item that you observe from the Apriori rule(s) in Q3(b).
(e) Based on your observations in Q3(d), provide TWO (2) suggestions to the retailer to improve the sales.
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