On 9/28/07, Greg Snow <[EMAIL PROTECTED]> wrote: > I think he wants the axes crossing at 0,0 not on the outer edges like > the default. > > You can put the axes in the plot (though it tends to distract rather > than help in many cases) by: > > > axis(1, pos=0) > > axis(2, pos=0) > > You will need to draw the arrowheads yourself. There are options (under > ?par) for tick length and how to suppress the default axes.
Thanks, Greg, for your suggestion. That is in line with what I was looking for. However, I still have one more question. Take the following code: curve(sin(x),-pi,pi,axes=F,ylab="",xlab="") axis(1, pos=0) axis(2, pos=0,at=c(-1,-0.5,0.5,1)) How can I have the y axis labels rotated clockwise? Paul > > -----Original Message----- > > From: [EMAIL PROTECTED] > > [mailto:[EMAIL PROTECTED] On Behalf Of Charles Annis, P.E. > > Sent: Friday, September 28, 2007 11:32 AM > > To: 'Paul Smith'; 'r-help' > > Subject: Re: [R] Drawing functions on Cartesian coordinate systems > > > > Yes, R can do that. Well, actually YOU can do that using R. > > > > But it is hard to believe that you looked very hard before > > writing. Did you look at these R functions? > > > > ?plot > > ?line > > ?points > > ?arrows > > > > > > > > Charles Annis, P.E. > > > > [EMAIL PROTECTED] > > phone: 561-352-9699 > > eFax: 614-455-3265 > > http://www.StatisticalEngineering.com > > > > -----Original Message----- > > From: [EMAIL PROTECTED] > > [mailto:[EMAIL PROTECTED] On Behalf Of Paul Smith > > Sent: Friday, September 28, 2007 1:12 PM > > To: r-help > > Subject: [R] Drawing functions on Cartesian coordinate systems > > > > Dear All, > > > > Can R draw plots of functions on a Cartesian coordinate > > system with axes like the ones shown at > > > > http://en.wikipedia.org/wiki/Image:Cartesian-coordinate-system > > -with-circle.s > > vg > > > > ? > > > > I have already searched the R web-site, but found nothing. > > > > Thanks in advance, > > > > Paul > > > > ______________________________________________ > > 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. > > > > ______________________________________________ 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.