[R-sig-ME] fixed effects
Mitchell Maltenfort
mmalten at gmail.com
Sun Oct 4 03:58:18 CEST 2015
What is the difference between re.form = ~0 and re.form = NA ?
On Saturday, October 3, 2015, Ben Bolker <bbolker at gmail.com> wrote:
> Perhaps you want
>
> predict(fm,re.form=~0)
>
> ?
>
>
> On Sat, Oct 3, 2015 at 2:38 PM, Chen, Gang (NIH/NIMH) [C]
> <gangchen at mail.nih.gov <javascript:;>> wrote:
> > With the following generalized linear mixed-effects model:
> >
> > fm <- glmer( Y ~ Treatment + ( Treatment | Subject) + (1|Trial),
> family=poisson))
> >
> > How can I obtain the estimated fixed effects? fitted() seems to provide
> the sum of fixed and random effects, while predict() does not seem to work
> because I'm modeling the overdispersion with (1|Trial). I could manually
> compute the fixed effects based on the coefficients, but is there a
> function available for this purpose?
> >
> > Thanks,
> > Gang
> >
> > [[alternative HTML version deleted]]
> >
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