CAS Exam MAS-I Fall 2019, Question 34
Study guide: Exam MAS-I
You are given the following statements comparing k-fold cross validation (with k < n) and Leave-One-Out Cross Validation (LOOCV), used on a GLM with log link and gamma error.
- I. k-fold validation has a computational advantage over LOOCV
- II. k-fold validation has an advantage over LOOCV in bias reduction
- III. k-fold validation has an advantage over LOOCV in variance reduction
Determine which of the above statements are true.
- A) None are true
- B) I and II only
- C) I and III only
- D) II and III only
- E) The answer is not given by (A), (B), (C), or (D)
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