Am I missing something obvious on how to draw multi-line plots in base graphics?
In ggplot2, I can do:
data(Oxboys, package = "nlme")
library(ggplot2)
qplot(age, height, data = Oxboys, geom = "line", group = Subject)
But in base graphics, the best I can come up with is this:
with(Oxboys, plot(age, height, type = "n"))
lapply(split(Oxboys[c("age", "height")], Oxboys$Subject), lines)
Am I missing something obvious?
Thanks!
Hadley
--
Assistant Professor / Dobelman Family Junior Chair
Department of Statistics / Rice University
http://had.co.nz/
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