Market Basket Flashcards
1
Q
Support
A
Percentage of all baskets that have both goods
Too general versus too specific
(A and B) / D
2
Q
Confidence
A
Conditional probability- if I buy A what’s the probability of buying B
3
Q
A => B
A
P(BIA)
A and B / A
4
Q
Lift
A
Confidence / Support
5
Q
Lift variations of 1
A
> 1 Increased Likelihood
=1 No Effect
<1 decreased likelihood
