[R] lme4 error after Matrix update

ONKELINX, Thierry Thierry.ONKELINX at inbo.be
Thu Dec 18 11:34:57 CET 2008

Dear Rüdiger,

Try to uninstall AND fysically remove (delete) lme4 and Matrix from the harddisk. Then installing them again should do this trick. At least it did on my laptop.



ir. Thierry Onkelinx
Instituut voor natuur- en bosonderzoek / Research Institute for Nature and Forest
Cel biometrie, methodologie en kwaliteitszorg / Section biometrics, methodology and quality assurance
Gaverstraat 4
9500 Geraardsbergen
tel. + 32 54/436 185
Thierry.Onkelinx op inbo.be 

To call in the statistician after the experiment is done may be no more than asking him to perform a post-mortem examination: he may be able to say what the experiment died of.
~ Sir Ronald Aylmer Fisher

The plural of anecdote is not data.
~ Roger Brinner

The combination of some data and an aching desire for an answer does not ensure that a reasonable answer can be extracted from a given body of data.
~ John Tukey

-----Oorspronkelijk bericht-----
Van: r-help-bounces op r-project.org [mailto:r-help-bounces op r-project.org] Namens Hans-Ruediger Pfister
Verzonden: donderdag 18 december 2008 11:09
Aan: r-help op r-project.org
Onderwerp: [R] lme4 error after Matrix update

Dear all,

after recently updating my R-packages I am unable to work with lme4, 
since it does not load. What I get is this:

Error in inDL(x, as.logical(local), as.logical(now), ...) :
   function 'cholmod_l_start' not provided by package 'Matrix'
In addition: Warning messages:
1: package 'lme4' was built under R version 2.8.1
2: package 'lattice' was built under R version 2.8.1
Error: package/namespace load failed for 'lme4'

Various trials to remove and reinstall the Matrix and lme4 packages were 

I am working on Windows XP, R-version 2.8.0:

 > sessionInfo()
R version 2.8.0 Patched (2008-10-21 r46769)


attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base

Any help greatly appreciated.

Rüdiger Pfister

Hans-Rüdiger Pfister
Professor of Business Psychology
Leuphana University Lüneburg
Wilschenbrucher Weg 84
D-21335 Lüneburg, Germany

R-help op r-project.org mailing list
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.

Dit bericht en eventuele bijlagen geven enkel de visie van de schrijver weer 
en binden het INBO onder geen enkel beding, zolang dit bericht niet bevestigd is
door een geldig ondertekend document. The views expressed in  this message 
and any annex are purely those of the writer and may not be regarded as stating 
an official position of INBO, as long as the message is not confirmed by a duly 
signed document.

More information about the R-help mailing list