CAS Exam MAS-I Spring 2019, Question 40
Study guide: Exam MAS-I
You are fitting a model to predict the height of an adult male using shoe size as a predictor. You have a sample size of 200.
Determine which one of the following model forms will both have a discontinuity in the fitted curve and most likely overfit the data.
- A) Piecewise cubic with two knots
- B) Piecewise linear with two knots
- C) Cubic spline with one knot
- D) Natural cubic spline with two knots
- E) Smoothing spline with 10 degrees of freedom
Answer this question and see the worked solution