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" <[EMAIL PROTECTED]> To: "R-help" <[email protected]> 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]] > > ______________________________________________ > [email protected] mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html > ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
