Tid1 Apple Orange Bread Tid2 Apple Bread Milk Tid3 Bread Butter Orange Tid4 Butter Bread M Q34195495

TID1: Apple, Orange Bread

TID2: Apple, Bread, Milk

TID3; Bread, Butter, Orange

TID4: Butter, Bread, Milk

TID5: Milk, Bread, Orange

Based on the table shown above, the support and confidence ofrule Apples-> Orange is: A. 100%,50% B. 50%,50% C. 100%, 100% D.None of the above.

Expert Answer

Total transactions = 5

Support is a measure of the fraction of the transactionsthat consist of both items, apples, and oranges.

The support for the rule Apples-> Orange (s)= 1/5

= 20%

Confidence is a measure of the fraction of thetransactions that consist of oranges that already containsapples.

The confidence for the rule Apples-> Orange (c)= 1/2

= 50%

Hence the correct answer is option D,