Lecture Ticket 21

Reading

Read the following sections of IFDAR.

• Chapter 9, sections 9.1 and 9.2. When reading 9.1, consider the differences of how we defined the grammar components and how the book defines the components.

Questions

1. How do facet_wrap() and facet_grid() differ?

2. What package will we use the place multiple ggplots on the same output?

3. How will we save graphics?

4. What is your favorite geom so far?