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?

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Mr. Dubey • 51.43K Points
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Q.) 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.

(D) None of these.

Correct answer : Option (C) - Individually R squared cannot tell about variable importance. We can’t say anything about it right now.

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