Many thanks for reply.
I have trouble understanding how to use response, i am sorry.
My question is i have two matrices. I then plot two matrices. Then I have 2
seperate plots. I can color the nodes in the plots in two different colors.
Then, how do i merge the two plots to view one overlapping the other? i.e.
to view two sets of data in one 2D space?

Many thanks


On Fri, Mar 9, 2012 at 3:51 PM, R. Michael Weylandt <
michael.weylandt@gmail.com> wrote:

> No idea what table1, table2 are....
>
> plot(1:5, type = "l")
> points(5:1, col = 2)
>
> should get you started.
>
> Michael
>
> On Fri, Mar 9, 2012 at 10:17 AM, aaral singh <aaral.singh@gmail.com>
> wrote:
> > Hello.
> >
> > I have 2 plots.
> >
> >> plot1 <-plot(table1)
> >> plot2 <-plot(table2)
> >
> > How may i plot these both on the same graph, i.e. layer one graph on top
> of
> > the other one.
> > The result should look similar to this the image below, where the black
> > lines indicate one plot, and the red dots indicate the second plot.
> >
> > http://r.789695.n4.nabble.com/file/n4459732/R_screen_shot.png
> >
> > Aaral.
> >
> >
> > --
> > View this message in context:
> http://r.789695.n4.nabble.com/layer-plots-tp4459732p4459732.html
> > Sent from the R help mailing list archive at Nabble.com.
> >
> > ______________________________________________
> > R-help@r-project.org mailing list
> > https://stat.ethz.ch/mailman/listinfo/r-help
> > PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> > and provide commented, minimal, self-contained, reproducible code.
>
> ______________________________________________
> R-help@r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>

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