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mcasp
2006 Mar 23
0
warning message using lmer()?
Dear all,
I use lmer to fit a mixed effect model.It give some warnings. What can I
do about this?
Here is the function and the warning message:
> model.growth.mcas5 <- lmer(response ~ monthElapsed +
(monthElapsed|studentID),
+ data= mcas5, family=binomial(link="logit"), method='ML')
Warning messages:
1: nlminb returned message false convergence (8)
in: LMEopt(x = mer, value = cv)
2: nlminb returned message false convergence...