A, B are items at the higher level of the concept hierarchy, A1, A2 are the only subcategories of A and B1, B2 are the only subcategories of B respectively. Half of the transactions including A are A1 and half of the transactiona including B are B1. Given the association rule if A then B1 with support: 40%, and confidence %60, which of the following sublevel rule is or rules are redundant? if A1 then B1 with support: 20%, confidence 60% Il if A1 then B1 with support:20%, confidence 30% III if A1 then B1 with support:40%, confidence 30% O a. only I and II O b. only I and II O c. only Il and III O d. only I
A, B are items at the higher level of the concept hierarchy, A1, A2 are the only subcategories of A and B1, B2 are the only subcategories of B respectively. Half of the transactions including A are A1 and half of the transactiona including B are B1. Given the association rule if A then B1 with support: 40%, and confidence %60, which of the following sublevel rule is or rules are redundant? if A1 then B1 with support: 20%, confidence 60% Il if A1 then B1 with support:20%, confidence 30% III if A1 then B1 with support:40%, confidence 30% O a. only I and II O b. only I and II O c. only Il and III O d. only I
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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