I try to fit a repeated measures model, in which:
FA: The difference in the number of scales between the left and right sides
for a given trait
trait: the each of the measured features are 6 for each individual
Condition: is the state of condition of each individual
Individual: Each of the specimens studied
By adjusting the model happens to me the following
> lm.FA<-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
Dpto. de Biolog?a Animal, Ecolog?a, Parasitolog?a, Edafolog?a y Qca. Agr?cola
Universidad de Salamanca
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