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bytheb
2007 Jul 22
1
summary of linear fixed effects model is different than the HSAUR book
...downloaded lme4 package on WinXP
I'm trying to work my way through Everitt and Hothorn's "Handbook of
Statistical Analyses Using R," c 2006. (No, it's not homework.)
Chapter 10 discusses linear mixed effects models for longitudinal data.
I've called my long data frame BtheB.long
Here's the model from the book, which I run.
lmer1 <- lmer(bdi ~ bdi.pre + months + treatment + drug + length + (1 |
subject), data = BtheB.long, method = "ML", na.action = na.omit)
Here is the summary of the model that I see:
> summary(lmer1)
Linear mixed-effects model...