CFA Practice Question

There are 155 practice questions for this study session.

CFA Practice Question

Which method tests the independence of occurrence of the token and occurrence of the class in text data?
A. Document frequency
B. Chi-square test
C. Mutual information
Explanation: Chi Square Test is used in statistics to test the independence of two events. In feature selection, the two events are occurrence of the feature and occurrence of the class.

User Contributed Comments 0

You need to log in first to add your comment.