Re: [R] superpose two variables in lattice/xyplot

From: Deepayan Sarkar <deepayan.sarkar_at_gmail.com>
Date: Sat 13 May 2006 - 01:52:39 EST

On 5/12/06, Arien Lam <A.Lam@geo.uu.nl> wrote:
> Dear R users,
>
> I try to use xyplot() to display two different response variables from
> the same dataframe per panel, but don't succeed:
>
> xyplot(ptot.seaslog ~ vmcwit | seas, data=reeks, as.table=TRUE,
> panel = function(x,y){
> panel.xyplot(x, y, ylim=c(0,1))
> panel.superpose(x=reeks$vmcwit, y=reeks$ptotbin,
> panel.groups = "panel.xyplot", groups=reeks$seas,
> subscripts = TRUE, col="red" )
> }
> )
>
> The second respons variable "reeks$ptotbin" is plotted, but is not
> subset for each of 4 panels. How can it be done?

Perhaps you are looking for

xyplot(ptot.seaslog + ptotbin ~ vmcwit | seas, data=reeks, as.table=TRUE)

-Deepayan



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