x <- data.frame(a = 1:5, b = rnorm(5)) names(x) <- LETTERS[2:1]
print(x) seems to work. Can you be more explicit about your problem? Michael On Wed, Dec 5, 2012 at 6:51 PM, Rich Shepard <rshep...@appl-ecosys.com> wrote: > I have a reshaped data frame with value column headings concatenated from > two column headings in the melted data frame. I want to change all 56 > headings in a single command, but 'names' allows me to change only one at a > time. In Hadley's 2007 article on reshape in the Journal of Statistical > Software he mentions a 'rename' function, but I cannot find that. > > Is there a way to change all data frame column headings in a single > command? > > Rich > > ______________________________________________ > 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. ______________________________________________ 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.