http://www.linkedin.com/groups?about=&gid=77616&trk=anet_ug_grppro
greetings jens: i also suggest submitting this question to the r group on linkedin.com. we have almost two thousand members. regards, ajit On Tue, Nov 10, 2009 at 3:00 AM, <r-sig-epi-requ...@stat.math.ethz.ch>wrote: > Send R-sig-Epi mailing list submissions to > r-sig-epi@stat.math.ethz.ch > > To subscribe or unsubscribe via the World Wide Web, visit > https://stat.ethz.ch/mailman/listinfo/r-sig-epi > or, via email, send a message with subject or body 'help' to > r-sig-epi-requ...@stat.math.ethz.ch > > You can reach the person managing the list at > r-sig-epi-ow...@stat.math.ethz.ch > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of R-sig-Epi digest..." > > Today's Topics: > > 1. The Common risk difference and effect modification on the > additive scale (Jens Levy) > > > ---------- Forwarded message ---------- > From: Jens Levy <jensl...@gmail.com> > To: r-sig-epi@stat.math.ethz.ch > Date: Tue, 10 Nov 2009 11:15:17 +0700 > Subject: [R-sig-Epi] The Common risk difference and effect modification on > the additive scale > I am interested in evaluating whether or not the joint effect of two > independent variables on an outcome are additive. I want to be able to give > something analogous to the Breslow-Day test of homogeneity, which evaluates > effect modification on the multiplicative scale, but on the additive scale. > I would also like to calculate the common Risk Difference across two > strata. > Does anyone know of any R package that has these functions, which focus on > additive relationships in stratified analyses? > > Cheers, > > Jens > > [[alternative HTML version deleted]] > > > > _______________________________________________ > R-sig-Epi mailing list > R-sig-Epi@stat.math.ethz.ch > https://stat.ethz.ch/mailman/listinfo/r-sig-epi > > -- _________________________________ Ajit Gemunu de Silva Oakland CA 94619 skype: ajit_de_silva [[alternative HTML version deleted]] _______________________________________________ R-sig-Epi@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-sig-epi
