hey Joe, I had a quick look at your code. In this line: b2$PRRSvac <- ifelse(b2$status=="MS-X, PRRS-pos"|b2$status=="R�d SPF+Myc+Ap2+DK+Vac",1,0)
some special characters are used. You must use only plain ascii characters Hope this help. Cheers, Patrizio 2009/2/13 joe1985 <johan...@dsr.life.ku.dk>: > > Hello > > I want to make some variables with the ifelse-function, but i don't know how > to do it. > > I want to make these five variables; > > b2$PRRSvac <- ifelse(b2$status=='A' | b2$status=='Aa',1,0) > b2$PRRSdk <- ifelse(b2$status=='B' | b2$status=='Bb',1,0) > b2$sanVac <- ifelse(b2$status=='C' | b2$status=='sanAa',1,0) > b2$sanDk <- ifelse(b2$status=='D' | b2$status=='sanBb',1,0) > b2$totalvac <- ifelse(b2$status=='San',1,0) > > And > > b2$UGT <- ifelse(b2$status=='UGT',1,0) > b2$KOM <- ifelse(b2$status=='KOM',1,0) > > But, as one from this forum told me, it doesn't work because the words is in > a wrong format or something like that. > > I have attached the text-file i've used, and the R-kode. > > Hope anyone can help me? > > text-file; > http://www.nabble.com/file/p21993098/allesd%2528uden%2Bf%25C3%25B8r%2529060209.txt > allesd%28uden+f%C3%B8r%29060209.txt > > R-kode (just run from line 1-22) ; > http://www.nabble.com/file/p21993098/PRRS%2B%2528med%2Ballle%2BSD%2529.r > PRRS+%28med+allle+SD%29.r > -- > View this message in context: > http://www.nabble.com/extracting-parts-of-words-or-extraxting-letter-to-use-in-ifelse-func.-tp21993098p21993098.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.