There is a slight caveat in that lmer does not respect implicit nesting, so
you need to make sure your nested groups have unique levels:
http://finzi.psych.upenn.edu/R/Rhelp02a/archive/47413.html
http://finzi.psych.upenn.edu/R/Rhelp02a/archive/47423.html
Simon.
At 11:42 AM 13/09/2005, Doran, Harold wrote:>Only the random portion will differ as in:
>
>lmer(lognrms ~ Group*Rotation*muscle*side*support*arms + (1|Subject) +
>(1|Stratum) + (1|rep), Data)
>
>
>-----Original Message-----
>From: r-help-bounces at stat.math.ethz.ch on behalf of Ross Darnell
>Sent: Mon 9/12/2005 9:28 PM
>To: r-help at stat.math.ethz.ch
>Cc:
>Subject: [R] Translating lme model call to lme4
>
>I would appreciate help translating the following lme model to an lmer
>function.
>
>lme(lognrms ~ Group*Rotation*muscle*side*support*arms,
> random=~1|Subject/Stratum2/rep, data=Data)
>
>
>
>Many thanks
>
>Ross Darnell
>r.darnell at uq.edu.au
>
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>
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Simon Blomberg, B.Sc.(Hons.), Ph.D, M.App.Stat.
Centre for Resource and Environmental Studies
The Australian National University
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Australia
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