Which of the following is not used to determine observations that have influential effect on the fitted model?
A) The hat matrix elements hᵢ
B) The studentized deleted residuals tᵢ
C) The Cp statistic
D) Cook's distance statistic

Question

Quizplus · Accepted Answer

Cp statistic is used for comparing different models and selecting the best one, it is not used to determine observations that have influential effect on the fitted model. The hat matrix elements hᵢ, studentized deleted residuals tᵢ and Cook's distance statistic are used to identify influential observations in the model.

Which of the Following Is Not Used to Determine Observations