Exercise

3 variable plot

Faceting is a valuable technique for looking at several conditional distributions at the same time. If the faceted distributions are laid out in a grid, you can consider the association between a variable and two others, one on the rows of the grid and the other on the columns.

Instructions

100 XP

common_cyl, which you created to contain only cars with 4, 6, or 8 cylinders, is available in your workspace.

Using common_cyl, create a histogram of hwy_mpg.
Grid-facet the plot rowwise by ncyl and columnwise by suv.
Add a title to your plot to indicate what variables are being faceted on.