Thank you. Can the chi-squared test compare two matrices that are not the same size, eg if matrix 1 is a 2 X 4 table, and matrix 2 is a 3 X 5 matrix?
On Fri, Mar 9, 2012 at 4:37 PM, Greg Snow <538...@gmail.com> wrote: > 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. > [[alternative HTML version deleted]] ______________________________________________ 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.
