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

Question

Quizplus · Accepted Answer

The ratio of confidence to the base probability of buying an item is called the lift. Choice A is incorrect because confidence is a measure of the strength of association between two items, not the ratio of confidence to the base probability. Choice B is incorrect because support is the proportion of transactions that contain both an item and the consequent item. Choice C is incorrect because granularity refers to the level of detail or resolution in data.

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