[R] 2 barplots in the same graph

[Robert Baer]

See ?barplot

If I understand what you want, try:

barplot(x1,border="red",density=0)
par(new=TRUE)
barplot(x2,border="green",density=0)

Rob
____________________________
Robert W. Baer, Ph.D.
Associate Professor
Department of Physiology
A. T. Still University of Health Science
800 W. Jefferson St.
Kirksville, MO 63501-1497 USA
----- Original Message ----- 
From: "jia ding" <dingjia at gmail.com>
To: "R-help" <r-help at stat.math.ethz.ch>
Sent: Wednesday, February 22, 2006 7:31 AM
Subject: [R] 2 barplots in the same graph


> Hello,
>
> I have a very simple question about "2 barplots in the same graph".
>
> It seems quite easy, but I searched google for long time, haven't find
> solution.
>
> For example, I want one graph like:
> x1=seq(0,2,by=0.3)
> x2=seq(3,0,by=-0.1)
> barplot(x1,col="red")
> barplot(x2,col="green")
>
> It means if it's on the same graph, some bars are overlaped.
> So if the bars are hollow, instead of filled with color, it will be
better.
>
> Actually, I think it's something similar with matlab's "hold on" command.
>
> Thanks!
>
> Nina
>
> [[alternative HTML version deleted]]
>
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