Please read the Posting Guide, which among other things points out that you should be posting in plain text format, not HTML (which tends to corrupt example R code).
Then please explain why your problem is not addressed by the below referenced section of the R Inferno. You may need to read [1] for advice on providing a reproducible example per the Posting Guide so we can follow your argument clearly. [1] http://stackoverflow.com/questions/5963269/how-to-make-a-great-r-reproducible-example --------------------------------------------------------------------------- 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. Shane Carey <careys...@gmail.com> wrote: >Nope, but thanks > > >On Thu, Jun 13, 2013 at 1:11 PM, Albin Blaschka < >albin.blasc...@standortsanalyse.net> wrote: > >> >> >> Am 13.06.2013 14:02, schrieb Shane Carey: >> >> I have a dataframe consisting of factors in one column. Im trying to >>> remove >>> certain levels using the following code: >>> toBeRemoved1<-which(DATA$**UnitName_1=="lake") >>> DATA<-DATA[-toBeRemoved1,] >>> >>> However it will not remove the level "lake" >>> >> >> Hello! >> >> Is this a part of the R Inferno? >> See "The R Inferno" from Patrick Burns, specially Chapter 8.2.4 >"dropping >> factor levels ", page 83 >> >> >http://www.burns-stat.com/**pages/Tutor/R_inferno.pdf<http://www.burns-stat.com/pages/Tutor/R_inferno.pdf> >> >> HTH, >> Albin >> >> >> -- >> | Albin Blaschka, Mag.rer.nat. >> | Etrichstrasse 26, A-5020 Salzburg >> | * www.albinblaschka.info * www.thinkanimal.info * >> | - It's hard to live in the mountains, hard but not hopeless! >> >> ______________________________**________________ >> R-help@r-project.org mailing list >> >https://stat.ethz.ch/mailman/**listinfo/r-help<https://stat.ethz.ch/mailman/listinfo/r-help> >> PLEASE do read the posting guide http://www.R-project.org/** >> posting-guide.html <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.