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 From the table above, assuming the min confidence is 35%, and minsup is 37%, which of the following rules are strong? a. a1 => c3 b. L => b1 c. a2, b2 => H d. a1, b1 => L

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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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

From the table above, assuming the min confidence is 35%, and minsup is 37%, which of the following rules are strong?

a. a1 => c3

b. L => b1

c. a2, b2 => H

d. a1, b1 => L

 

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