On Thu, 2007-11-22 at 16:16 +0500, Shoaaib Mehmood wrote: > hi, > > is there a way of calculating of measuring dependence between two > categorical variables. i tried using the chi square test to test for > independence but i got error saying that the lengths of the two > vectors don't match. Suppose X and Y are two factors. X has 5 levels > and Y has 7 levels. This is what i tried doing > > >temp<-chisq.test(x,y) > > but got error "the lengths of the two vectors don't match". any help > will be appreciated
Hi Shoaaib, Try using chisq.test(table(x,y)). If you using chisq.test(x,y) R will testing goodness-of-fit. -- Bernardo Rangel Tura, M.D,Ph.D National Institute of Cardiology Brazil ______________________________________________ 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.
