Graphics Reference
In-Depth Information
Figure 5-1. A basic scatter plot
Discussion
To use different shapes in a scatter plot, set
shape
. A common alternative to the default solid
circles (shape #16) is hollow ones (#21), as seen in
Figure 5-2
(left):
ggplot(heightweight, aes(x
=
ageYear, y
=
heightIn))
+
geom_point(shape
=
21
)