[R] Overlapping plot in lattice

[Gabor Grothendieck]

On Fri, Sep 30, 2011 at 3:01 AM, Kang Min <ngokangmin at gmail.com> wrote:
> Hi all,
>
> I was wondering if there's an equivalent to par(new=T) of the plot
> function in lattice. I'm plotting an xyplot, and I would like to
> highlight one point by plotting that one point again using a different
> symbol.
>
> For example, where 6 is highlighted:
> plot(1:10, xlim=c(0,10), ylim=c(0,10))
> par(new=T)
> plot(6,6, xlim=c(0,10), ylim=c(0,10), pch=16)
>

Try this:

library(lattice)
xyplot(1:10 ~ 1:10, xlim=c(0,10), ylim=c(0,10))
trellis.focus()
panel.points(6, 6, pch = 6)
trellis.unfocus()


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