3.5 Scatterplot: geom_point()

ggplot(mpg, aes(x = displ, y = hwy)) + 
  geom_point()

• The shape parameter is useful here.
  • interested in the different shapes? ?shape

ggplot(mpg, aes(x = displ, y = hwy, shape = factor(cyl))) + 
  geom_point()