[R-sig-ME] glmer: var-cov estimated from RX

[Hans Ekbrand]

On Sun, Nov 29, 2015 at 08:18:08PM -0500, Ben Bolker wrote:
> On 15-11-28 05:06 PM, Hans Ekbrand wrote:
> > Can I rely on the variance-covariance matrix I've got?
> 
>   Probably.  These variance-covariance matrices are all approximations
> in any case, but should be pretty good in the large-data case.

I see.

> > Should I try get rid of warning? If so, what could possibly help (is
> > it meaningful to try with a different optimizer?)? Since the
> > convergence time was about 5 days, trying out difference optimizers is
> > not very fun.
> 
>   I suspect you probably won't be able to get rid of the warning, but it
> may be worth trying out control=glmerControl(optimizer="bobyqa") --
> might speed up your convergence considerably.

I'll try it.

>   It may also be worth trying the (experimental!!!) glmmTMB package,
> which you can find on github ...

Good to know, thanks again Ben!