hits=-2.6 tests=BAYES_00 X-USF-Spam-Flag: NO On Thu, 2008-02-07 at 19:32 +0900, Tribo Laboy wrote: > Hello, > > I was wondering if there was an easy way to put information about the > measurement units used for each column of a data frame ... > > Thanks for any pointers, > > TL
You could add attributes: dummy <- data.frame(x = rnorm(10), y = rbeta(10, 2, 5), z = rlnorm(10)) dummy attr(dummy, "units") <- c("m s-2", "Kg", "m") dummy attributes(dummy) G -- %~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~% Dr. Gavin Simpson [t] +44 (0)20 7679 0522 ECRC, UCL Geography, [f] +44 (0)20 7679 0565 Pearson Building, [e] gavin.simpsonATNOSPAMucl.ac.uk Gower Street, London [w] http://www.ucl.ac.uk/~ucfagls/ UK. WC1E 6BT. [w] http://www.freshwaters.org.uk %~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~% ______________________________________________ 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.