[R] Line plots in base graphics
hadley at rice.edu
Wed Apr 13 23:23:35 CEST 2011
On Wed, Apr 13, 2011 at 2:58 PM, Ben Bolker <bbolker at gmail.com> wrote:
> Hadley Wickham <hadley <at> rice.edu> writes:
>> Am I missing something obvious on how to draw multi-line plots in
>> base graphics?
>> In ggplot2, I can do:
> data(Oxboys, package = "nlme")
> 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)
> [quoting removed to fool gmane]
>> Am I missing something obvious?
> reshape to wide format and matplot()?
Hmmm, that doesn't work if your measurements are at different times e.g:
Oxboys2 <- transform(Oxboys, age = age + runif(234))
Assistant Professor / Dobelman Family Junior Chair
Department of Statistics / Rice University
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