Thank you both for your help, axis did the trick very nicely. On 1 March 2010 11:34, Chuck Cleland <cclel...@optonline.net> wrote: > On 3/1/2010 6:16 AM, Gonzalo Garcia-Perate wrote: >> Hello, I'm new to R, I've been working with it for the last 2 weeks. I >> am plotting some data and not getting the labels on the x axis I am >> expecting on my plot. >> >> >> my code reads >> >> #hours in the day >> h <- c(0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23) >> #hp is a data frame with a pivot table of 25 columns (label and data for >> 24 hours) >> plot(h, as.matrix(hp[1,2:25]), main = hp[1,1], type="l", xlim=c(0,23), >> ylim=c(0,1800), xlab="hour", ylab="visitor activity") >> >> >> the result you can see here: >> http://www.flickr.com/photos/gonzillaaa/4397357491/ >> >> I was hoping the steps on the x axis would be every hour or at least >> every two hours I am getting unevenly spaced steps (0, 5, 10, 20) instead. >> >> >> >> apologies if this is too obvious a question, I've looked around on >> documentation etc. but found no reference to this. > > You can suppress the x axis in the call to plot() and then add it with > a call to axis(). For, example > > > plot(0:23, runif(24, min=0, max=1800), type="l", xlim=c(0,23), > ylim=c(0,1800), xlab="hour", ylab="visitor activity", xaxt='n') > > axis(side=1, at=0:23, cex.axis=.5) > > ?axis > >> Many thanks, >> >> >> Gonzalo. >> >> ______________________________________________ >> 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. > > -- > Chuck Cleland, Ph.D. > NDRI, Inc. (www.ndri.org) > 71 West 23rd Street, 8th floor > New York, NY 10010 > tel: (212) 845-4495 (Tu, Th) > tel: (732) 512-0171 (M, W, F) > fax: (917) 438-0894 >
______________________________________________ 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.