(a) A database has five transactions. Let min_sup $=60 \%$ and $\min \_$conf $=80 \%$. TID Items bought | T100 | $12,13,14,16,17$ | | :--- | :--- | | T200 | $11,13,15,16,17$ | | T300 | $11,14,19,110$ | | T400 | $11,15,16,19,110$ | | T500 | $13,15,16,110,111$ |
Explanation
To find the frequent itemsets, we need to find the items that appear in at least 60% of the transactions. To find the association rules, we need to find the rules that have a confidence of at least 80%. The association rules are used to identify the relationships between the items in the transactions.
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