Multiple Choice
Using the hat matrix elements hᵢ to determine influential points in a multiple regression model with k independent variable and n observations, Xᵢ is an influential point if
A) hᵢ < 2(k + 1) /n.
B) hᵢ > 2(k + 1) /n.
C) hᵢ < n(k + 1) /2.
D) hᵢ > n(k + 1) /2.
Correct Answer:
Verified
Correct Answer:
Verified
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