Re: [R] plotting groupedData object

From: Deepayan Sarkar <>
Date: Tue 02 May 2006 - 05:00:00 EST

On 5/1/06, Osman Al-Radi <> wrote:
> Dear R-Help,
> I am using R2.3.0, nlme library on Windows XP.
> I created a grouped data object with y, subject, group and time variables.
> I can plot the data using
> plot.nfnGroupedData(form=y~time|subject,outer=~group)
> This gives me individual curves (connected points) for each subject in
> separate panels for each group.
> I would also like to add to the plot a curve with the mean y at each time
> point for each group. how can I do that?

Reproducible example please.

Deepayan mailing list PLEASE do read the posting guide! Received on Tue May 02 05:02:56 2006

Archive maintained by Robert King, hosted by the discipline of statistics at the University of Newcastle, Australia.
Archive generated by hypermail 2.1.8, at Tue 02 May 2006 - 08:10:03 EST.

Mailing list information is available at Please read the posting guide before posting to the list.