Table 1 A sample database with example representing association rule

1

Milk, bread, eggs

{Cheese, milk} → bread [support=5%, confidence=80%]

80% of customers, who buy cheese and milk, also buy bread

5% of customers buy all these products together

2

Bread, sugar

3

Bread, cereal

4

Milk, bread, sugar

5

Milk, cereal

6

Bread, cereal

7

Milk, cereal

8

Milk, bread, cereal, eggs

9

Milk, bread, cereal