Dear Frederic, The effect function won't handle a model with a nested effect.
Sorry, John > -----Original Message----- > From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On > Behalf Of Frédéric Hérault > Sent: March-18-09 9:57 AM > To: r-help@r-project.org > Subject: [R] error with effects package. > > Dear R helpers, > > I have the following model > > model_1<- > glm(y~A+B+C+E+A:D,contrasts=list(D=contrasts_D),data=mydata,na.action=na.omi t > ) > with: options(contrasts=c("contr.sum", "contr.poly")) > > A,B and E are 2-levels factor, > C is covariate, > D is 20 levels factor with 10 in relation with the first levels of > factor A, the other in relation with the second levels of factor A > > > Here is my data, and the contrast I use for factor D. > https://depot.jouy.inra.fr/get?k=xzsA9nLhQSNbzq55MXo > > I'm trying to use the effects package of Prof. J. Fox , > > (eff_model_1<-effect("A",model1)) > > but I get this error message: > " Error in apply(mod.matrix[, components], 1, prod) : subscript out > of bounds" > > I suppose that the problem comes from the interaction A:D, but I can't > find a solution to solve it. > > Does anyone know how to solve this problem?? > > thanks. > > -------------------------------- > > Frederic Herault > INRA > France > > ______________________________________________ > 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. ______________________________________________ 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.