On Wed, Apr 13, 2011 at 2:58 PM, Ben Bolker <bbol...@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")
> 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)
>
> [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))
Hadley
--
Assistant Professor / Dobelman Family Junior Chair
Department of Statistics / Rice University
http://had.co.nz/
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