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A transaction database from one grocery shop server is as follows: Transaction Id Items 1 Item1, Item2, Item5 2 Item2, Item4 3 Item2, Item3 4
A transaction database from one grocery shop server is as follows:
Transaction Id | Items |
|
|
1 | Item1, Item2, Item5 |
2 | Item2, Item4 |
3 | Item2, Item3 |
4 | Item1, Item2, Item4 |
5 | Item1, Item3 |
6 | Item2, Item3 |
7 | Item1, Item3 |
8 | Item1, Item2, Item3, Item5 |
9 | Item1, Item2, Item3 |
10 | Item1, Item2, Item3, Item4, Item 5 |
Assuming a minimum support of 20% (i.e., 2 transactions out of 10).
- Calculate the frequent 1-itemset (L1).
- Calculate the frequent 2-itemset (L2).
- Generate the possible association rules and calculate their level of confidence.
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