Martin, my experience may only add to the confusion. When I upgraded to 2.11 on
my office Mac I had a similar problem when loading lme4 from CRAN. However, I
found the package on R-forge and successfully installed it. On trying the same
procedure on my home Mac running 2.11.1, this approach fails with the following
error (this differs from yours):
> library(lme4)
Loading required package: Matrix
Loading required package: lattice
Attaching package: 'Matrix'
The following object(s) are masked from 'package:base':
det
Error in dyn.load(file, DLLpath = DLLpath, ...) :
unable to load shared library
'/Library/Frameworks/R.framework/Resources/library/lme4/libs/i386/lme4.so':
dlopen(/Library/Frameworks/R.framework/Resources/library/lme4/libs/i386/lme4.so,
6): Library not loaded: /usr/local/lib/libgfortran.2.dylib
Referenced from:
/Library/Frameworks/R.framework/Resources/library/lme4/libs/i386/lme4.so
Reason: image not found
Error: package/namespace load failed for 'lme4'
And you will not be able to load "arm" as this depends on "lme4".
Frustrating....
Regards,
Alan
Alan Kelly
Trinity College Dublin
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