On 08 Jun 2015, at 17:03 , Sarah Goslee <sarah.gos...@gmail.com> wrote:
> > I'd import them with check.names=FALSE, then modify them explicitly: > > >> mynames <- c("x y", "x y", "x y", "x y") >> mynames > [1] "x y" "x y" "x y" "x y" >> mynames <- sub(" ", ".", mynames) >> mynames > [1] "x.y" "x.y" "x.y" "x.y" >> mynames <- paste(mynames, seq_along(mynames), sep="_") >> mynames > [1] "x.y_1" "x.y_2" "x.y_3" "x.y_4" Didn't he want x_y.1, not x.y_1? Obviously, just switch "." and "_" for that. A potential improvement (in case not all columns are "x y") is to replace the last bit with make.unique(mynames). -- Peter Dalgaard, Professor, Center for Statistics, Copenhagen Business School Solbjerg Plads 3, 2000 Frederiksberg, Denmark Phone: (+45)38153501 Office: A 4.23 Email: pd....@cbs.dk Priv: pda...@gmail.com ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.