[R-sig-ME] confint.merMod(): method = "boot" throws error

[Ben Bolker]

Bertolt Meyer <b.meyer at ...> writes:

> 
> Dear all,
> 
> I am trying to obtain confidence intervals on the parameters 
> of a merMod with bootstrapping. However, I
> always get the following error:
> 
> > confint.merMod(mmodel.7, method = "boot", nsim = 100)
> 
> Computing bootstrap confidence intervals ...
> Error in if (const(t, min(1e-08, mean(t, na.rm = TRUE)/1e+06))) { : 
>  Missing value where TRUE/FALSE is required
> 
> However, using confint.merMod() with method = "Wald" 
> on the same model works just fine:
> 

  [snip]
 
> I tried this with different models, it's always the same. Does anybody have
> an idea why it fails with method = "boot"?
> 

  This sounds like https://github.com/lme4/lme4/issues/158 
Fixed a couple of months ago, but not yet in a released version.
If this is actually the case, you can work around it by removing
NA values from your data set ahead of time.

  Ben Bolker