[R-sig-ME] Upcoming changes in lme4

[ken knoblauch]

Douglas Bates <bates at ...> writes:

> 
> We (the lme4 authors) have mentioned on this list that we are
> preparing a new version of lme4 that will provide enhanced
> capabilities.  That's the good news.  The bad news is that the
> internal representation of the model has been changed yet again.  If
> your use of the lme4 package is through the exported functions only
> you should be okay.  However, if you find problems then please report
> them to us either in email <lme4-authors at ...> or on
> the bug-tracker at R-forge,
> 
>>>>> snip for gmane >>>>>>>>

> 
> An alpha-test release will be made available on the R-forge archive
> but *not* uploaded to CRAN.  If you use lme4 extensively please test
> this release by installing from the R-forge archive and telling us if
> there are problems with your code.  This way you can still back out to
> the current release by removing the lme4 package and reinstalling from
> CRAN.  Once the new lme4 has been released to CRAN it will be much
> more difficult to back out that installation.
> 
> Authors of packages that depend on lme4 will get a separate message
> off-list about testing and suggested modifications.
> 
> Thanks for your cooperation.  We do honestly believe that this change
> will provide an improved capability for fitting and analyzing
> mixed-effects models.
> 
I echo the thanks and congratulations of the other members of the list.

Will the link functions for glmer be built-in as currently with lme4 or
will it be possible to provide customized links in R code as currently
with lme4a?

best,

Ken

-- 
Ken Knoblauch
Inserm U846
Stem-cell and Brain Research Institute
Department of Integrative Neurosciences
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