Depends on the graphing system.
For basic graphics have a look at
?points
?line
?par(new)
for varous options
ggplot2 is designed pretty much to do this so you might want to have a look at
its documentation.
Not sure about lattice as don't use it.
--- On Thu, 9/24/09, Natalie Wong <smartcookie555 at live.com> wrote:
> From: Natalie Wong <smartcookie555 at live.com>
> Subject: [R] Re tain current graphs in figure
> To: r-help at r-project.org
> Received: Thursday, September 24, 2009, 11:31 PM
>
> I want to know, how do I retain the current plot and axes
> properties such
> that subsequent graphing commands add to the existing
> graph.
>
> Thank you very much!!
>
> --
> View this message in context:
http://www.nabble.com/Retain-current-graphs-in-figure-tp25606069p25606069.html
> Sent from the R help mailing list archive at Nabble.com.
>
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