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mumin
2010 Jul 01
0
Cholmod warning when fitting a poisson GLMM
...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+ aine+ageatmumdeath+(1|newparish)+(1|mumID)+(1|cohorte),
+ weights=prop_off_tracked_to_age_15,family=poisson, data=basepreindust2_sur15,RMEL=F)
> mod_1
Generalized linear mixed model fit by the Laplace approximation
Formula: sur15 ~ soeviv15_4plus + frviv15_4plus + frat_15death + dad_class_new + soeviv15_4plus:dad_class_new + frviv15_4...