[R-sig-ME] Upcoming changes in lme4

[Steven McKinney]

> -----Original Message-----
> From: r-sig-mixed-models-bounces at r-project.org [mailto:r-sig-mixed-models-
> bounces at r-project.org] On Behalf Of Douglas Bates
> Sent: February-07-12 9:48 AM
> To: R-mixed models mailing list
> Subject: Re: [R-sig-ME] Upcoming changes in lme4
> 
> On Tue, Feb 7, 2012 at 11:11 AM, Douglas Bates <bates at stat.wisc.edu> wrote:
> > We (the lme4 authors) have mentioned on this list that we are
> > preparing a new version of lme4 that will provide enhanced
> > capabilities.  That's the good news.  

<snip>


> 
> I forgot to mention an important point for Mac OS X users.  The new
> lme4, which is based on the Eigen linear algebra library, requires the
> RcppEigen package for which there is no binary Mac OS X package on
> CRAN.  It's a ridiculous situation that comes about because Apple
> ships an antique version of gcc in their XCode development
> environment, and won't upgrade because of licensing disagreements.
> Even that very old version of g++ compiles the package successfully
> for Intel Macs but it croaks when trying to cross-compile for the ppc
> architecture.  You can see at
> http://www.r-project.org/nosvn/R.check/r-release-macosx-ix86/RcppEigen-
> 00install.html
> that the advice it to inform Apple of the compiler error but they
> ignore such reports.  Things may improve when XCode 4 is in use
> because it provides clang++ in addition to the same very old version
> of g++.  In the meantime we will provide a binary i386 Mac OS X
> package for RcppEigen.


Thanks for all your hard and good work on the lme4 package.
I use it regularly, but many of my data sets are huge and
64 bit processing is essential.

Would you be able to provide Intel binary i386 (32 bit) and 
x86_64 (64 bit) builds in your Mac OS X package?


Best

Steven McKinney

Statistician
Molecular Oncology and Breast Cancer Program
British Columbia Cancer Research Centre


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