[R-SIG-Mac] R 3.0, lme4, and the oft unloved Mac OS

[R. Michael Weylandt]

On Wed, Apr 10, 2013 at 8:55 AM, Simon Urbanek
<simon.urbanek at r-project.org> wrote:
> On Apr 10, 2013, at 9:32 AM, flip wrote:
>
>>
>> Greetings-
>>
>> I've noticed that lme4 isn't available for Mac under R 3.
>>
>> Looks like its throwing errors at compile time, according to the logs.
>
> More precisely, if fails checks:
>
> checking tests ... ERROR
> Running the tests in 'tests/simulate.R' failed.
> Last 13 lines of output:
>> s4 <- simulate(gm1,10)
>> stopifnot(is.list(s4), sapply(s4,ncol)==2,
> + sapply(s4,nrow) == nrow(cbpp))
>> showProc.time()
> Time elapsed: 0.232 0.002 0.234
>>
>> r1 <- pboot(gm0,gm1, 10)
> Error in logLik(refit(m1, s)) :
> error in evaluating the argument 'object' in selecting a method for function 'logLik': Error in mer_finalize(object) :
> Downdated X'X is not positive definite, 1.
> Calls: refit -> refit -> mer_finalize -> .Call
> Calls: pboot -> apply -> FUN -> logLik
> Execution halted
>
> that's why it's not available. I tried two different compilers just to make sure it's not a compiler issue and it throws the same error, so I fear this is over to the maintainers.
>
> Cheers,
> Simon
>

It looks like Ben is aware of the issue and fixing it:
https://stat.ethz.ch/pipermail/r-sig-mixed-models/2013q2/020170.html

Cheers,
Michael