Displaying 1 result from an estimated 1 matches for "caa97d6e".
2009 Nov 24
2
random effects correlation in lmer
I am having an issue with lmer that I wonder if someone could explain.
I am trying to fit a mixed effects model to a set of longitudinal data
over a set of individual subjects:
(fm1 <- lmer(x ~ time + (time|ID),aa))
I quite often find that the correlation between the random effects is 1.0:
Linear mixed model fit by REML
Formula: x ~ time + (time | ID)
Data: aa
AIC BIC logLik deviance