the following questions: Compute the entropy of the above dataset? Analyze the dataset and find the lowest information gain and against what attribute? Consider first split is on Age attribute. Against what value of Age attribute there will be a branch with 0 (zero) entropy?

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
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Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Question No. 31
Consider the following dataset where Buys_Computer is a class label.
ID
1
2
3
4
5
6
7
8
Age
Youth
High
Youth
High
Middle Aged High
Senior
Income Student Credit_Rating Buys_Computer
Youth
Senior
9
10
11 Youth
12 Middle Aged
13 Middle Aged
14 Senior
Senior
Low
Senior
Low
Middle Aged Low
Youth
Medium
No
No
Yes
Yes
Yes
Medium No
Low
Yes
Medium
Yes
Medium Yes
Medium No
High
Yes
Medium No
No
No
Fair
Excellent
Fair
Fair
Fair
Excellent
Excellent
Fair
Fair
Fair
Excellent
Excellent
Fair
Excellent
No
No
-Yes
Yes
Yes
No
Yes
No
Yes
Yes
Yês
Yes
Yes
No
Transcribed Image Text:Question No. 31 Consider the following dataset where Buys_Computer is a class label. ID 1 2 3 4 5 6 7 8 Age Youth High Youth High Middle Aged High Senior Income Student Credit_Rating Buys_Computer Youth Senior 9 10 11 Youth 12 Middle Aged 13 Middle Aged 14 Senior Senior Low Senior Low Middle Aged Low Youth Medium No No Yes Yes Yes Medium No Low Yes Medium Yes Medium Yes Medium No High Yes Medium No No No Fair Excellent Fair Fair Fair Excellent Excellent Fair Fair Fair Excellent Excellent Fair Excellent No No -Yes Yes Yes No Yes No Yes Yes Yês Yes Yes No
Answer the following questions:
Compute the entropy of the above dataset?
Analyze the dataset and find the lowest information gain and against what
attribute?
Consider first split is on Age attribute. Against what value of Age attribute there
will be a branch with 0 (zero) entropy?
Transcribed Image Text:Answer the following questions: Compute the entropy of the above dataset? Analyze the dataset and find the lowest information gain and against what attribute? Consider first split is on Age attribute. Against what value of Age attribute there will be a branch with 0 (zero) entropy?
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