- Introduction
- Row-slicing Data Frames
- Plotting the Training and Test Sets
- Plotting the Least-Squares Line
- Calculating the Test MSE
- Generating a Quadratic Model
- Calculating the Test MSE for the Quadratic Model
- For Loops
- lm Revisited
- MSE via a For Loop
- Visualizing the MSE's
- Functions of Two Variables
- For Loop inside a Function
- Variability of the Test MSE
- Course Wrap-up