Hi all I have a dataframe like I coppied below
> ff a b d 1 10 5 7 2 20 4 9 3 3 8 10 4 5 6 8 5 6 3 5 6 73 7 3 7 45 28 9 8 3 2 8 while I am trying to sort multy coloums at once I am not able to get that like ina order of first column "a" next column "d" after that column "b" here I tried with o <- order(a,d,b) but it returns an error can any one help me to sort this multy-columns atonce thanks in advance kiran [[alternative HTML version deleted]] ______________________________________________ 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.