In market-basket terminology,the ratio of confidence to the base probability of buying an item is the ________.
A)lift
B)confidence
C)support
D)cross-selling

Question

Quizplus · Accepted Answer

The ratio of confidence to the base probability of buying an item is known as lift. Lift measures the probability of two items being purchased together compared to if they were purchased separately by chance. It is calculated by dividing the confidence of the rule by the base probability of buying the item.

In Market-Basket Terminology,the Ratio of Confidence to the Base Probability