Re: [R] Line plots in base graphics

From: Hadley Wickham <hadley_at_rice.edu>
Date: Wed, 13 Apr 2011 16:23:35 -0500

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")
> 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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Received on Wed 13 Apr 2011 - 21:27:01 GMT

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