A B C D X1 a1 b1 c3 L X2 a2 b1 c1 L X3 a2 b2 c1 H X4 a2 b2 c2 H X5 a2 b1 c1 L X6 a2 b2 c1 H X7 a2 b1 c2 H X8 a1 b2 c2 L Using the table above, calculate the following, there measures (1) support, (2) confidence, (3) all confidence. a) A1 ==> L b) A2, B2 ==> H c) A2, C2 ==> H

Principles of Information Systems (MindTap Course List)
13th Edition
ISBN:9781305971776
Author:Ralph Stair, George Reynolds
Publisher:Ralph Stair, George Reynolds
Chapter9: Business Intelligence And Analytics
Section: Chapter Questions
Problem 3CTQ1
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  A B C D
X1 a1 b1 c3 L
X2 a2 b1 c1 L
X3 a2 b2 c1 H
X4 a2 b2 c2 H
X5 a2 b1 c1 L
X6 a2 b2 c1 H
X7 a2 b1 c2 H
X8 a1 b2 c2 L

Using the table above, calculate the following, there measures (1) support, (2) confidence, (3) all confidence.

a) A1 ==> L

b) A2, B2 ==> H

c) A2, C2 ==> H

 

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