Correlation Analysis in Association Rules

1
Correlation Analysis in Association Rules

• conviction (A gt B)
• (P(A). P(B))/(P(A ? B))
• Where P(B) (1- P(B))
• Correlation is bidirectional (i.e same for agtb
  and bgta). Conviction is unidirectional it
  measures if a lifts b
• It tells how much the occurrence of (A ? B)
  departs from the occurrence of A and B