**Learning objectives**

- Internalize basic R commands
- Use R to create useful plots in modeling situations

**Before class**

- Prepare a list of Mosaic and R commands encountered so far in StartR that will be a helpful reminder in class.
- Remember to bring your computer

**In class**

- Use R to solve modeling problems: practice here and open-ended here.
- Prof Flath’s list of useful Mosaic package commands
- QUIZ 2. (Modeling with the cosine and power functions, contour diagrams)