[R] Fitting a linear model with lmer in the lme4 package

[Bert Gunter]

This should be posted on the r-sig-mixed-models list, not here.

-- Bert

On Mon, Nov 28, 2011 at 6:50 AM, syrvn <mentor_ at gmx.net> wrote:
> Hello,
>
>
> I need to fit a "Nested Random Effects ANOVA model" with the lmer function
> in the lme4 package.
>
> I read through the documentation
>
> http://lme4.r-forge.r-project.org/book/Ch2.pdf
>
> and the data structure of the "Pastes" data set looks almost
>
> exactly like mine. The only difference is that I have another factor which
> distinguishes controls
>
> from diseased patients.
>
> For the "Pastes" data set they fittet their "Nested Random Effects model" as
> follows:
>
> lmer(strength ~ 1 + (1|sample) + (1|batch), Pastes, REML=FALSE)
>
> My data strucute looks like as follows:
>
> http://www.pic-upload.de/view-12130948/data.png.html
>
> I am not sure of how to fit my model now. Would it be as simple as only
> adding the third factor?
>
> lmer(Protein_1 ~ 1 + (1|Group) + (1|Sub_Disease) + (1|Disease)) ?
>
>
> Cheers,
>
> Syrvn
>
> --
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>
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-- 

Bert Gunter
Genentech Nonclinical Biostatistics

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