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What is the entropy of the system?

What is the information gain of starting with attribute D in this instance?

Decision Trees
X₁
X₂
X3
X4
X5
X6
Attribute A
|0
0
1
10
1
10
Attribute B
10
1
10
10
1
0
Attribute C
10
1
1
0
10
1
Attribute D
10
10
0
1
0
10
Class
W
W
W
W
Z
Z
Transcribed Image Text:Decision Trees X₁ X₂ X3 X4 X5 X6 Attribute A |0 0 1 10 1 10 Attribute B 10 1 10 10 1 0 Attribute C 10 1 1 0 10 1 Attribute D 10 10 0 1 0 10 Class W W W W Z Z
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