Mathematics · Econometrics
Under the classical multiple linear regression model in matrix notation, what is the correct formula for the coefficient of determination (R2)?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1β̂'X'Y - nΣY2Y'Y - nȲ2
- 2X'Y - nȲ2Y'Y - nȲ2
- 3β̂'X'Y - nȲ2Y'Y - nȲ2✓
- 4β̂'X'YY'Y
Correct answer
β̂'X'Y - nȲ2Y'Y - nȲ2
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