Setting the Scene
âWhat is the use of a bookâ, thought Alice, without pictures or conversations?â
1.1 Graphics in action
The code for producing Figure 1.1 is:
data(SpeedSki, package = "GDAdata")
ggplot(SpeedSki, aes(x=Speed, fill=Sex)) + xlim(160, 220) +
geom_histogram(binwidth=2.5) + xlab("Speed (km/hr)") +
facet_wrap(~Sex, ncol=1) + ylab("") +
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