search for: monthelapsed

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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 (8) in: LMEopt(x = mer, value = c...