Wrong list. Post to r-sig-mixed-models.
-- Bert On Mon, Jul 2, 2012 at 6:47 PM, Camila Mendes <cacamende...@gmail.com>wrote: > Hey all - > > I am a newbie on mixed-effects models. I want to estimate the following > model: > > Y_it = alpha_0t + alpha_1t*X_it + e_it > alpha_0t = gamma_00 + u_0t > alpha_1t = gamma_10 + gamma_11*W_it + u_1j > > Where Y is my outcome, X is my level-1 predictor, and W is my level 2 > predictor. > > I am not sure if I am doing it right. Is this the correct specification of > the formula? > > model = lmer(Y ~ X + X:Y + ( X | ID), data = data) > > Also, can you help me to write down the combined model formula? I tried > by substituting on the first equation, but I got some weird interactions > with the residual (?) > > Thanks a lot! > > - Camila > > [[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. > -- Bert Gunter Genentech Nonclinical Biostatistics Internal Contact Info: Phone: 467-7374 Website: http://pharmadevelopment.roche.com/index/pdb/pdb-functional-groups/pdb-biostatistics/pdb-ncb-home.htm [[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.
