search for: absfa

When I try to adjust a mixed model with random effects I can make this order without problem > lm.FA<-lme(absFA~trait*condition,random=~1|individual) But if I try to fit a model in which the response (absFA) is not the same in all individuals at different levels of "trait" factor , but varies randomly from each. That is, this order > lm.FA2<-lme(absFA~rasgo*condicion,random=~rasgo|individuo...

...-lme(FA~rasgo*condicion,random=~1|individuo) Error en na.fail.default(list(FA = c(-5, -5, -4, -3, -3, -3, -3, -3, -3, : missing values in object I thought it might be because there are values ??of FA are negative, and introduced into the model the absolute value of FA, but still the same > absFA<-abs(FA) > lm.FA<-lme(absFA~rasgo*condicion,random=~1|individuo) Error en na.fail.default(list(absFA = c(5, 5, 4, 3, 3, 3, 3, 3, 3, 3, : missing values in object What I'm doing wrong? Thank you very much in advance for your attention ----- Mario Garrido Escudero PhD student Dpt...