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0.100926
2010 Jul 01
0
Cholmod warning when fitting a poisson GLMM
Hi,
I am getting a warning message when I am fitting a generalized mixed model (mod_2) and I don't understand why because when I add just an interaction factor the model works perfectly (mod_1).
Does anyone know what it happpens ?
Thanks,
Aïda
> mod_1<-lmer(sur15~soeviv15_4plus+frviv15_4plus+frat_15death+dad_class_new+soeviv15_4plus:dad_class_new +frviv15_4plus:dad_class_new+