Assume that the entire sample has 2 positive observations and 6 negatives observations. Variable X1: at the left branch has 2 positive observations and 4 negatives observations; at the right branch has 6 positive observations and 6 negatives observations.
Assume that the entire sample has 2 positive observations and 6 negatives observations. Variable X1: at the left branch has 2 positive observations and 4 negatives observations; at the right branch has 6 positive observations and 6 negatives observations.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 2AGP
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Question
Assume that the entire sample has 2 positive observations and 6 negatives observations.
Variable X1: at the left branch has 2 positive observations and 4 negatives observations;
at the right branch has 6 positive observations and 6 negatives observations.
What is the information gain or reduction in uncertainty of X1 using the Gini index? (round to two decimal spaces)
![Assume that the entire sample has 2 positive observations and 6 negatives
observations.
Variable X1: at the left branch has 2 positive observations and 4 negatives
observations;
at the right branch has 6 positive observations and 6 negatives observations.
What is the information gain or reduction in uncertainty of X1 using the Gini index?
(round to two decimal spaces)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3cd28176-e598-4894-bc1a-b9be69e01f5f%2F23fe7a33-d903-4f37-9c6f-be1fd3468038%2Fimgbu7r_processed.png&w=3840&q=75)
Transcribed Image Text:Assume that the entire sample has 2 positive observations and 6 negatives
observations.
Variable X1: at the left branch has 2 positive observations and 4 negatives
observations;
at the right branch has 6 positive observations and 6 negatives observations.
What is the information gain or reduction in uncertainty of X1 using the Gini index?
(round to two decimal spaces)
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