[R] xyplot with grid?

[Deepayan Sarkar]

On 5/9/07, Gav Wood <news at gavofyork.fastmail.fm> wrote:
> Hello folks,
>
> So I'd like to use the lattice xyplot function, but here's the thing;
> I'd like a grid on it and a bit of annotation (line and text).
>
> So I tried just using the panel.grid, panel.text and panel.line but they
> didn't work after the plot had been called seemingly using the device
> coordinate system. So I made a new proxy panel function (calling
> panel.xyplot and passing the x/y/groups/subscripts args) put them in it,
> and they started working well.
>
> Only problem is that xyplot no longer plots the key; I still pass
> auto.key to into the high-level function, but no key gets plotted.
> What's the best way to get what I want?

Giving a reproducible example would be a good start.

-Deepayan