Hi r-help-boun...@r-project.org napsal dne 25.02.2010 08:22:48:
> > <<This shall work. What really are values of region? What does > str(eu08$region) tell you about it? If it is really factor, what are > really its levels? What does level(eu08$region) show?>> > > My thoughts were also that it would work, but it results in 130 column > headings stripped of all rows. > To answer your questions: > str(eu08$region) yielded: > $ region : Factor w/ 10 levels "1.Byrard",..: 3 3 3 3 10 10 10 4 4 4 ... > > level(eu08$region) yielded nothing, but levels(eu08$region) yielded: > [1] "1.Byrard" "2.Alsat" "3.Bigur" > [4] "4.Itziar" "5.Ingur" "6.Git" > [7] "7.Git Balance" "8.Triage" "9.Snolunt" > [10] "10.Bigntu" Here is your problem. Factor is integer numeric vector with label for each separate level of factor. If you want question your factor you need to use proper label. see subset(eu08, region=="1.Byrard") Regards Petr > > Thanks for your attention, Petr! > -- > View this message in context: http://n4.nabble.com/Subset-Question- > tp1568555p1568584.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > 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.
