Consider data with two Boolean attributes A and B. A B Label count of examples 50 1 50 1 1 100 What is the entropy of the lables? What is the information gain if A is selected as root? what is it if B selected?

Fundamentals of Information Systems
8th Edition
ISBN:9781305082168
Author:Ralph Stair, George Reynolds
Publisher:Ralph Stair, George Reynolds
Chapter7: Knowledge Management And Specialized Information Systems
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Consider data with two Boolean attributes A and B.
A
В
Label
count of examples
50
1
50
1
1
1
100
What is the entropy of the lables?
What is the information gain if A is selected as root?
what is it if B selected?
Transcribed Image Text:Consider data with two Boolean attributes A and B. A В Label count of examples 50 1 50 1 1 1 100 What is the entropy of the lables? What is the information gain if A is selected as root? what is it if B selected?
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