[R-sig-ME] Radio silence in re "newdata" argument of simulate.merMod().

John H Maindonald jhm@|ndon@|d @end|ng |rom gm@||@com
Mon Aug 8 04:12:40 CEST 2022

Assuming that you are simulating to allow "allow previously unobserved levels 
in random-effects variables”, have you set the factor level for the relevant factor
to “new”. See the vignette `timeMortality` in the qra package for an example.

John Maindonald.

> On 8/08/2022, at 11:13, Rolf Turner <r.turner using auckland.ac.nz> wrote:
> Three days ago I sent an email to r-sig-mixed-models asking what I was
> doing wrong in my use of the "newdata" argument of simulate.merMod().
> So far I have received no response at all.  This surprises me.  I
> expected a quick reply, from Ben Bolker (or someone like him) to the
> effect of "You absolute ninny.  *This* is (obviously!) the syntax that
> you should be using."
> Was my question unclear or too obscure or arcane?  If so, are there any
> suggestions as to how I could be more perspicuous?
> I really would appreciate some help.
> cheers,
> Rolf Turner
> -- 
> Honorary Research Fellow
> Department of Statistics
> University of Auckland
> Phone: +64-9-373-7599 ext. 88276
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