Re: [R] post-hoc comparisons following glmm

2006-02-14 Thread Michaël Coeurdassier
Dear Mr Graves, this seems work on my data. Thank you very much for your help. Sincerely Michael Coeurdassier Spencer Graves a écrit : The following appears to be an answer to your question, though I'd be pleased to receive critiques from others. Since your example is NOT self

Re: [R] post-hoc comparisons following glmm

2006-02-10 Thread Spencer Graves
The following appears to be an answer to your question, though I'd be pleased to receive critiques from others. Since your example is NOT self contained, I modified an example in the glmmPQL help file: (fit - glmmPQL(y ~ factor(week)-1+trt, random = ~ 1 | ID, +

[R] post-hoc comparisons following glmm

2006-02-07 Thread Michaël Coeurdassier
Dear R community, I performed a generalized linear mixed model using glmmPQL (MASS library) to analyse my data i.e : y is the response with a poisson distribution, t and Trait are the independent variables which are continuous and categorical (3 categories C, M and F) respectively, ind is the