Q88
In a linear regression problem, we are using "R-squared" to measure goodness-of-fit. We add a feature in linear regression model and retrain the same model. Which of the following option is true?
A.
If R Squared increases, this variable is significant.
B.
If R Squared decreases, this variable is not significant.
C.
Individually R squared cannot tell about variable importance. We can't say anything about it right now.
AnswerD.
None of these.
Answer: Option C
Solution
Answer: Option C
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