No, the axis can be ticked anywhere you wish: plot(1:20, xaxt = "n") axis(1, at = seq(1, 20, by = 2), label = paste(seq(1, 20, by = 2), "h"))
Michael On Sat, Mar 17, 2012 at 11:00 PM, Jie Tang <totang...@gmail.com> wrote: > I have found that the dimension number of label must be equal with the > dimension of the plot data by your this method. > if we have two data in every hour,it seems can not show the correct > tickment? > .plot(1:20, xaxt = "n") > axis(1, at = 1:10, label = paste(1:10, "h", sep = "")) # Happy axis! > > > > 2012/3/17 R. Michael Weylandt <michael.weyla...@gmail.com> >> >> Did you look at the example I gave you when you asked this question 10 >> days ago? I'll repeat for completeness >> >> op <- par() >> par(ask = TRUE) >> plot(1:10) # Unhappy axis >> >> plot(1:10, xaxt = "n") >> axis(1, at = 1:10, label = paste(1:10, "h", sep = "")) # Happy axis! >> par(ask = op$ask) >> >> The (good) advice to use dput() was to help us help you. Reread what was >> said. >> >> Michael >> >> On Sat, Mar 17, 2012 at 10:22 AM, Jie Tang <totang...@gmail.com> wrote: >> > hi >> > I plot a series of observation data every minutes in a day as the >> > attachment below >> > >> > plot(wnd,type='l',lty=1,col='red',lwd=1,xlab=xxlab,ylab=yylab,ylim=YY) >> > In the figure, the x-axis tickment is the number of data How can I >> > change >> > it >> > fore example 1h 2h 3h 4h and so on ? >> > someone has told me that use dput but it seems useless. >> > >> > Can anyone tell me how to use axis or at ?thank you . >> > >> > >> > -- >> >> TANG Jie >> >> Email: totang...@gmail.com >> >> Tel: 0086-2154896104 >> >> Shanghai Typhoon Institute,China >> >> >> >> >> >> >> >> -- >> >> TANG Jie >> >> Email: totang...@gmail.com >> >> Tel: 0086-2154896104 >> >> Shanghai Typhoon Institute,China >> >> >> > >> > [[alternative HTML version deleted]] >> > >> > ______________________________________________ >> > 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. > > > > > -- > TANG Jie > Email: totang...@gmail.com > Tel: 0086-2154896104 > Shanghai Typhoon Institute,China ______________________________________________ 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.