Re: [R] lattice: two grouping variables, one controls 'col', the other 'pch'

From: Benjamin Tyner <btyner_at_stat.purdue.edu>
Date: Tue 30 Jan 2007 - 15:54:52 GMT

Thanks, that does the trick. I guess with two grouping variables it is best to bypass 'groups' entirely.'

Ben

Gabor Grothendieck wrote:
> Try:
>
> xyplot(y ~ x | f, pch = g1, col = g2, panel = function(x, y,
> subscripts, ..., pch, col)
> panel.xyplot(x, y, ..., col = col[subscripts], pch =
> pch[subscripts])
> )
>
>
> On 1/28/07, Benjamin Tyner <btyner@stat.purdue.edu> wrote:
>> Say I have
>>
>> library(lattice)
>>
>> x<-runif(256)
>> y<-runif(256)
>> f<-gl(16,16)
>> g1<-rep(1:4,each=64)
>> g2<-rep(1:4,times=64)
>>
>> plot<-xyplot(y~x|f,
>> groups=g1,
>> pch=as.character(1:4),
>> panel=function(x,y,subscripts,groups,...){
>> panel.superpose(x,y,subscripts,groups,...)
>> })
>>
>> print(plot)
>>
>> Currently, both color and plotting symbol change with the grouping
>> variable g1. What is the best way to have color change with g1, but
>> plotting symbol change with g2 (or vice versa)?
>>
>> Thanks,
>> Ben
>>
>> ______________________________________________
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>> PLEASE do read the posting guide
>> http://www.R-project.org/posting-guide.html
>> and provide commented, minimal, self-contained, reproducible code.
>>



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https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. Received on Wed Jan 31 02:59:17 2007

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