I think ?.row_names_info is what you are looking for (although data frames have row.names and matrices have rownames, pace the subject line).
On Thu, 18 Oct 2007, hadley wickham wrote: > Is it possible to get at the underlying representation of row names - > ie. what you see in the output from dput: > >> df <- data.frame(1:4) >> dput(df) > structure(list(X1.4 = 1:4), .Names = "X1.4", row.names = c(NA, > -4L), class = "data.frame") > > I would like to be able to tell if a data frame has the default row > names, or if they have been changed by the user. I need this for > rggobi because in GGobi row names should be unique across all data > frames, unless explicitly set by the user. > > Thanks, > > Hadley > > > -- 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 ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
