It's hard to tell from your very scanty description, but it sounds like your data were imported as factor. You can change the levels of the factor to be in the order you prefer, rather than the default alphabetical order. See ?factor and ?as.factor for more information.
Also, now that you are armed with the correct search words, this was discussed on the list within the past week or two. Sarah On Sun, Jan 30, 2011 at 2:08 PM, christina matesanz <cmates...@yahoo.com> wrote: > Hi > > When I plot my date (numeric~date) R changes the order of my variables such > that > June comes after August. How do I keep the variables from my data sheet in the > same order? > > Regards > > Cristina -- Sarah Goslee http://www.functionaldiversity.org ______________________________________________ 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.