[R-sig-ME] Glmer Stack Imbalance Warning

Kevin Thorpe kev|n@thorpe @end|ng |rom utoronto@c@
Tue Feb 15 20:21:06 CET 2022

A colleague recently experienced this error (don’t remember if it was a mixed model or not) but re-startinf R fixed it.

Kevin E. Thorpe
Head of Biostatistics,  Applied Health Research Centre (AHRC)
Li Ka Shing Knowledge Institute of St. Michael’s Hospital
Assistant Professor, Dalla Lana School of Public Health
University of Toronto
email: kevin.thorpe using utoronto.ca  Tel: 416.864.5776  Fax: 416.864.3016

> On Feb 15, 2022, at 2:02 PM, Ben Bolker <bbolker using gmail.com> wrote:
>  This is surprising; I don't recall ever seeing this error in conjunction with lme4, although there is a brief discussion of it (but without a reproducible example) in this mailing list thread from 12 years ago.
> https://stat.ethz.ch/pipermail/r-sig-mixed-models/2009q3/002851.html
> https://stat.ethz.ch/pipermail/r-sig-mixed-models/2009q3/002857.html
> If it's reproducible, this would definitely constitute a bug in lme4.  At the very least, we would need the output of sessionInfo().  As an attempt at a "turn it off and back on again"-style solution, I would suggest reinstalling Rcpp, RcppEigen, and lme4 (in that order), preferably from source ...
>  cheers
>   Ben Bolker
> On 2/15/22 1:51 PM, Hedyeh Ahmadi wrote:
>> Hello all,
>> I'm running a glmer model and I'm getting a "stack imbalance" warning. When I searched for explanations, it looks like it's a programing bug.
>> Here is a link with some information (that might be relevant) that I don't fully understand:
>> https://stackoverflow.com/questions/6779530/what-is-a-stack-imbalance
>> I was wondering if you can help me understanding this warning in general. Any help would be appreciated and thank you in advance.
>> Best,
>> Hedyeh
>> 	[[alternative HTML version deleted]]
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> -- 
> Dr. Benjamin Bolker
> Professor, Mathematics & Statistics and Biology, McMaster University
> Director, School of Computational Science and Engineering
> (Acting) Graduate chair, Mathematics & Statistics
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