On Fri, 16 Jan 2004, Christoph Lange wrote: > > Dear R-Users! > > I have the following data: > > > runs > dates kms > 1 2004-01-15 12:00:00 9 > 2 2004-01-16 12:00:00 10 > 3 2004-01-17 12:00:00 5 > > class(runs$dates) > [1] "POSIXt" "POSIXct" > > > > Is it possible to _easily_ plot these data with real dates shown as > tick marks on the x-axis? Perhaps even when the days are not > continuous but with missing days in between?
Yes. ?plot.POSIXct has examples like plot(.leap.seconds, 1:22, type="n", yaxt="n", xlab="leap seconds", ylab="", bty="n") rug(.leap.seconds) What could be easier? If you want only the data dates labelled, use axis.POSIXct. -- Brian D. Ripley, [EMAIL PROTECTED] Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/ University of Oxford, Tel: +44 1865 272861 (self) 1 South Parks Road, +44 1865 272866 (PA) Oxford OX1 3TG, UK Fax: +44 1865 272595 ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html