Hi Jim, Yes you are right, file$time is decimal date. In the attached plot I want to replace decimal date with proper time axis so I can show month ticks. Decimal date misleads sometime while interpretation. Data varies from Jan-Dec 2009.
Thanks, Yogesh On Tue, Dec 21, 2010 at 9:57 PM, jim holtman <jholt...@gmail.com> wrote: > What is the structure of file$time? Is it Date/POSIXct? 'at=1:12' > only works if those are the dimensions of file$time. So give us an > idea of what the data is (PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html and provide commented, > minimal, self-contained, reproducible code). > > > > On Tue, Dec 21, 2010 at 7:36 AM, Yogesh Tiwari > <yogesh....@googlemail.com> wrote: > > Hi, > > I want 12 ticks at axis 1 and want to write Jan-Dec on each. > > > > something like: > > > > axis(1, at=1:12, > labels=c('J','F','M','A','M','J','J','A','S','O','N','D')) > > > > I could omit default ticks but now how to control ticks. > > > > plot(file$time, file$ch4*1000, ylim=c(1500,1700), xaxt='n', xlab= NA, > > ylab=NA,col="blue",yaxs="i",lwd=2, pch=10, type="b")# > > > > axis(1, at=1:12, > labels=c('J','F','M','A','M','J','J','A','S','O','N','D')) > > > > BUT above is not working, and there is no error as well. > > > > Pls help, > > > > Regards, > > Yogesh > > > > [[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. > > > > > > -- > Jim Holtman > Data Munger Guru > > What is the problem that you are trying to solve? > -- Yogesh K. Tiwari (Dr.rer.nat), Scientist, Centre for Climate Change Research, Indian Institute of Tropical Meteorology, Homi Bhabha Road, Pashan, Pune-411008 INDIA Phone: 0091-99 2273 9513 (Cell) : 0091-20-25904452 (O) Fax : 0091-20-258 93 825
______________________________________________ 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.