If you have a lot of names to change, or you need to do it regularly, you can use something like:
renames <- read.table(text= "oldname newname constant c numbers b ", header=TRUE, as.is=TRUE ) names(seba)[match(renames$oldname, names(seba))] <- renames$newnames --------------------------------------------------------------------------- Jeff Newmiller The ..... ..... Go Live... DCN:<jdnew...@dcn.davis.ca.us> Basics: ##.#. ##.#. Live Go... Live: OO#.. Dead: OO#.. Playing Research Engineer (Solar/Batteries O.O#. #.O#. with /Software/Embedded Controllers) .OO#. .OO#. rocks...1k --------------------------------------------------------------------------- Sent from my phone. Please excuse my brevity. Rui Barradas <ruipbarra...@sapo.pt> wrote: >Hello, > >Try the following. > > >names(seba)[grep("numbers", names(seba))] <- "b" >names(seba)[grep("constant", names(seba))] <- "c" > >names(seba) > > >Hope this helps, > >Rui Barradas > >Em 18-01-2013 18:14, Sebastian Kruk escreveu: >> I have a data. frame to which you want to change the names to some of >their >> columns. >> >> For example: >> >>> seba <- data.frame ('constant' = 3, 'numbers' = 1: 10, 'letters' = >LETTERS >> [1:10], otros = 2:11) >> >> List their names: >> >>> names (Seba) >> [1] "constant" "numbers" "letters" >> >> I want to rename c the column called constant and b the column >> called numbers. >> >> I do not know in which order appear names. >> >> How could do it? >> >> Thanks in advance, >> >> Sebastian. >> >> [[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. >> > >______________________________________________ >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. ______________________________________________ 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.