[R] random interaction effect in lmer

2011-02-06 Thread Federico Bonofiglio
Hi dears while modeling an interaction random effect in lmer i receive the instantaneous error message ldlM4-lmer(ldl~rt*cd4+age+rf+pharmac+factor(hcv)+ + hivdur+(rt:cd4|id),na.action=na.omit,REML=F) *Warning message: In mer_finalize(ans) : false convergence (8) * I think the matter lies in

Re: [R] random interaction effect in lmer

2011-02-06 Thread Jason Morgan
Hello Federico, You should try sending this to the mixed models mailing list (link below). Also, it would probably help to know what the data looks like. With the information you provide, it's hard to say what the problem could be. r-sig-mixed-mod...@r-project.org Best, ~Jason On 2011.02.06,