Rule | supp | conf | lift
-------------------------------------------
B -> C & E | 50% | 66.67% | 1.33
E -> B & C | 50% | 66.67% | 1.33
C -> E & B | 50% | 66.67% | 1.77
B & C -> E | 50% | 100% | 1.33
E & B -> C | 50% | 66.67% | 1.77
C & E -> B | 50% | 100% | 1.33
How to calculated the supp,can give me formula?