[R] two scatter plots in one

[jim holtman]

Set the xlim/ylim to the extent of the data and then do

plot(x1, y1, xlim=range(x1, x2), ylim=range(y1, y2))
points(x2, y2, col='red')

On Wed, Feb 11, 2009 at 3:43 PM, liujb <liujulia7 at yahoo.com> wrote:
>
> Dear R users,
>
> I need to compare two scatter plots,
> plot(x1, y1)
> plot(x2, y2)
>
> and would like to plot them in the same figure. How do I do it?
>
> Thank you.
>
> --
> View this message in context: http://www.nabble.com/two-scatter-plots-in-one-tp21963375p21963375.html
> Sent from the R help mailing list archive at Nabble.com.
>
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>



-- 
Jim Holtman
Cincinnati, OH
+1 513 646 9390

What is the problem that you are trying to solve?