> 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.