On Fri, Apr 07, 2006 at 09:55:47AM +0200, Philipp Pagel wrote: > On Fri, Apr 07, 2006 at 02:58:00AM -0400, Brian Quinif wrote: > > I tried this > > years <- "Freshmen" if i==1 > > years <- "Sophomores" if i==2 > > What you are looking for is not an if clause but logical indexing: > > years[years=="Freshmen"] <- 1 > years[years=="Sophomores"] <- 2 [...]
OK - I'll have to comment myself: I misread your message and it does not make sense for you question. Others have given good answers in the meantime... cu Philipp -- Dr. Philipp Pagel Tel. +49-8161-71 2131 Dept. of Genome Oriented Bioinformatics Fax. +49-8161-71 2186 Technical University of Munich Science Center Weihenstephan 85350 Freising, Germany and Institute for Bioinformatics / MIPS Tel. +49-89-3187 3675 GSF - National Research Center Fax. +49-89-3187 3585 for Environment and Health Ingolstädter Landstrasse 1 85764 Neuherberg, Germany http://mips.gsf.de/staff/pagel ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html