[R] sorting by the row names
is it possible to sort a file by the row names? -- View this message in context: http://www.nabble.com/sorting-by-the-row-names-tp19090189p19090189.html Sent from the R help mailing list archive at Nabble.com. __ 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.
Re: [R] sorting by the row names
On Thu, 21 Aug 2008, someone without a real name wrote: is it possible to sort a file by the row names? No, as files does not have row names. But data frames do, so perhaps DF[sort.list(row.names(DF)), ] is what you are looking for. -- 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, UKFax: +44 1865 272595 __ 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.
Re: [R] sorting by the row names
> is it possible to sort a file by the row names? I presume you mean a data frame rather than a file. In which case the answer is yes: df <- data.frame(a=1:10, b=rnorm(10), row.names=sample(letters[1:10])) df[order(rownames(df)),] Regards, Richie. Mathematical Sciences Unit HSL ATTENTION: This message contains privileged and confidential inform...{{dropped:20}} __ 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.