Objects exported from other packages

These objects are imported from other packages. Follow the links below to see their documentation.

grid

unit, arrow

scales

alpha

Examples

ggplot(mpg, aes(displ, hwy)) +
  geom_point(alpha = 0.5, colour = "blue")

ggplot(mpg, aes(displ, hwy)) +
  geom_point(colour = alpha("blue", 0.5))