It is better to ask questions like these on the
R-SIG-Mixed-Models@R-project.org mailing list, to which I am sending a copy
of this response.  Many of those reading the list are better able to
respond and definitely faster to respond than I am.


On Mon, Jul 21, 2014 at 9:36 AM, Robert Petrin <rapetrin@gmail.com> wrote:

> Professor Bates,
>
> I am working with the latest version of lme4 and having a great deal of
> difficulty specify control parameters (specifically, iterations and
> convergence criteria).  I have been using variants of the following, with
> no success:
>
>
> control.parms <- glmerControl(boundary.tol = 1e-3,
> optCtrl=list(maxIter=500, msMaxiter=500))
>
>
> Are you aware of a working example for a multilevel logistic model which
> includes specification of how to alter these parameters (I am unable to
> find one online myself that works, and did not find one in my edition of
> Pinheiro and Bates, 2000).
>
> Thank you.
>
> R. Petrin
>

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