Bill et al, See ?axTicks
plot(3^(0:5), 0:5, log="x",axes=FALSE) > axTicks(1) [1] 1 2 5 10 20 50 100 200 > axTicks(2) [1] 0 1 2 3 4 5 HTH, Marc Schwartz On Aug 16, 2010, at 5:17 PM, William Dunlap wrote: > >> -----Original Message----- >> From: r-help-boun...@r-project.org >> [mailto:r-help-boun...@r-project.org] On Behalf Of array chip >> Sent: Monday, August 16, 2010 2:54 PM >> To: Wu Gong; r-help@r-project.org >> Subject: Re: [R] print numbers >> >> Thank you all for the suggestions. They all worked. Now, >> those numbers on the >> ticks are produced by default plot function "bxp()", i.e. >> they are different in >> each plot, is there any functions I can retrieve them so I >> can use formatC() or >> prettyNum() etc? > > I've been curious about that also. I've used > the kludge of calling axis with a transparent color > to get the default positions of the tick marks, > but I don't know the official way to do it: >> plot(3^(0:5), 0:5, log="x",axes=FALSE) >> xTicks <- axis(side=1, col.axis="#00000000") >> xTicks > [1] 1 2 5 10 20 50 100 200 >> axis(side=1, at=xTicks, lab=as.character(as.roman(xTicks))) > >> yTicks <- axis(side=2, col.axis="#00000000") >> yTicks > [1] 0 1 2 3 4 5 >> axis(side=2, at=yTicks, lab=sprintf("%02d", yTicks)) > > Bill Dunlap > Spotfire, TIBCO Software > wdunlap tibco.com >> >> Thanks again, >> >> John >> >> >> >> ----- Original Message ---- >> From: Wu Gong <w...@mtmail.mtsu.edu> >> To: r-help@r-project.org >> Sent: Mon, August 16, 2010 2:41:51 PM >> Subject: Re: [R] print numbers >> >> >> Hi John, >> >> formatC will do your work. Hope it helps. >> >> x <- y <- c(50.00,25.00,10.00,1.00,0.05,0.01) >> plot(x,y,log = "xy",axes = F) >> axis(1, x, formatC(x)) >> axis(2, y, formatC(y)) >> >> Regards, >> >> Wu ______________________________________________ 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.
