You may want to consider a cumulative logit model which effectively bifurcates an ordinal variable by utilizing the odds of being in a given level or below (depending on your coding).
On Mon, Jun 10, 2013 at 12:27 PM, Vlatka Matkovic Puljic <vlatk...@gmail.com > wrote: > Dear all, > > I am using Epi package to calculate Odds ratio in my bivariate analysis. > How can I make *twoby2 *in variables that have 3 or more levels. > > For example: > I have 4 level var (Age) > m=matrix(c(290, 100,232, 201, 136, 99, 182, 240), nrow=4, ncol=2) > library (Epi) > twoby2(m) > > R gives me only > Comparing : Row 1 vs. Row 2 > > While I would like to have reference value in Row 1, and compare Row 2, Row > 3 and Row 4 with it. > > > Thanks for your help! > > [[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. > -- *James C. Whanger* * * [[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.
