Thanks to all who replied. Issue solved Jeff
On Wed, December 2, 2009 12:52 am, Don MacQueen wrote: > This looks like a job for match(). > > >> vec = c("C", "A", "B") >> >> dataDF = data.frame(A1 = c("B", "A", "C"), A2 = c(1,2,3)) >> >> >> dataDF[match(dataDF$A1,vec),] > A1 A2 > 3 C 3 > 2 A 2 > 1 B 1 > > > -Don > > > > At 10:36 PM -0500 12/1/09, Hao Cen wrote: > >> Hi, >> >> >> >> >> I have a a vector and a data frame with two columns >> >> >> vec = c("C", "A", "B") >> >> dataDF = data.frame(A1 = c("B", "A", "C"), A2 = c(1,2,3)) >> >> >> >> I would like to sort the data frame by column A1 such that the order of >> elements in A1 is as the same as in vec. >> >> >> >> After the ordering, the data frame would be >> >> >> A1 A2 >> >> >> C 3 >> >> >> A 2 >> >> >> B 1 >> >> >> >> >> Any suggestions would be appreciated. >> >> >> >> >> Thanks in advance >> >> >> >> >> Jeff >> >> >> >> [[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. > > > -- > --------------------------------- > Don MacQueen > Lawrence Livermore National Laboratory > Livermore, CA, USA > 925-423-1062 > m...@llnl.gov --------------------------------- > > > ______________________________________________ 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.