[R-sig-ME] Is anyone using the lmList() function in the lme4 package?

Reinhold Kliegl reinhold.kliegl at gmail.com
Sat Jun 26 18:44:40 CEST 2010

We are using lmList() in the context of NLMM.  How easy will it be to  
get good starting values for nlmer?

Reinhold Kliegl

On 26.06.2010, at 18:34, Douglas Bates wrote:

> When we wrote the nlme package we tried to be very careful about
> starting estimates and created the lmList function to allow evaluation
> of coefficients from within-group linear fits.  It turns out that it
> is most useful for longitudinal data where there are enough
> observations on each subject to do within-subject fits; that is, for
> data like the sleepstudy data.  Subsequent developments have made it
> easy enough to fit the mixed model reliably without needing a lot of
> preliminary work to get starting estimates.  (Similarly, the
> groupedData class was a good idea at the time but no longer
> necessary.)
> Would anyone miss the lmList function if it was removed from future
> versions of lme4?
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