[R-sig-ME] Advice for the R-package of lme4
bbo|ker @end|ng |rom gm@||@com
Fri Aug 27 03:46:04 CEST 2021
Honestly, I don't really know what other change in your configuration
could have led to the difference. It would be more likely to be
something else about your system - e.g. OS update with accompanying
changes to the linear algebra libraries, etc.. It's almost impossible
to diagnose these problems if they're not reproducible.
On 8/26/21 8:35 PM, ia08007 wrote:
> Dear Dr. Bolker
> I appreciate your kind help.
> I can identify the version of packages at that time.
> lme4 was 1.1-23 and lmerTest was 3.1-2.
> For reference, are there any other packages that might affect the results?
> I have tried, but it seems that other packages would affect them.
> Very sorry to bother you while you are busy, but I appreciate your
> 2021年8月27日(金) 6:58 Ben Bolker <bbolker using gmail.com
> <mailto:bbolker using gmail.com>>:
> [Please keep r-sig-mixed-models using r-project.org
> <mailto:r-sig-mixed-models using r-project.org> in the Cc: list!]
> The warning message is *probably* irrelevant; to make it go away
> would need to install the Matrix package from source on your machine
> (the binary packages on CRAN are built with the latest R version of a
> particular release series).
> A preliminary investigation on my side had the same general
> conclusions (fitting with 1.1-23 and 1.1-26 gave identical answers).
> afraid that if you have tried with both versions of the package and
> can't replicate your former results exactly then, logically, *the
> lme4/lmerTest package versions cannot be the source of the problem*;
> some other aspect of your setup must have changed. Numerical
> computations are, unfortunately, subject to a great deal of
> (small-scale) instability due to changes in underlying linear algebra
> packages, compilers, etc..
> I'm not sure what else we can do to help.
> Ben Bolker
Dr. Benjamin Bolker
Professor, Mathematics & Statistics and Biology, McMaster University
Director, School of Computational Science and Engineering
Graduate chair, Mathematics & Statistics
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