The chi-squared test is one option (and seems reasonable to me if it the the proportions/patterns that you want to test). One way to do the test is to combine your 2 matrices into a 3 dimensional array (the abind package may help here) and test using the loglin function.
On Thu, Mar 8, 2012 at 5:46 AM, aaral singh <aaral.si...@gmail.com> wrote: > Hi.Please help if someone can. > > Problem: > I have 2 matrices > > Eg > > matrix 1: > Freq None Some > Heavy 3 2 5 > Never 8 13 8 > Occas 1 4 4 > Regul 9 5 7 > > matrix 2: > Freq None Some > Heavy 7 1 3 > Never 87 18 84 > Occas 12 3 4 > Regul 9 1 7 > > > I want to see if matrix 1 is significantly different from matrix 2. I > consider using a chi-squared test. Is this appropriate? > Could anyone advise? > Many thank you. > Aaral Singh > > -- > View this message in context: > http://r.789695.n4.nabble.com/help-please-2-tables-which-test-tp4456312p4456312.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. -- Gregory (Greg) L. Snow Ph.D. 538...@gmail.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.