Did you update your version of Matrix? It should be 0.99375-20 (or perhaps -18). E.g. for me

sessionInfo()
R version 2.8.1 Patched (2009-02-04 r47838)
i386-pc-mingw32

locale:
LC_COLLATE=English_United Kingdom.1252;LC_CTYPE=English_United Kingdom.1252;LC_MONETARY=English_United Kingdom.1252;LC_NUMERIC=C;LC_TIME=English_United Kingdom.1252

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

other attached packages:
[1] lme4_0.999375-28   Matrix_0.999375-20 lattice_0.17-20

loaded via a namespace (and not attached):
[1] grid_2.8.1  tools_2.8.1

worked.

R 2.9.0 will check versions when loading a package, but 2.8.1 does not.


On Wed, 4 Feb 2009, Megan Davies wrote:

Hello UseRs,

I've just tried to load the lme4 package and got the error message, "function 'cholmod_l_start' not provided by package 'Matrix'". I downloaded the latest version of lme4 and its required packages (lattice and Matrix) as suggested in the archives and still got this message. The FAQ and archives suggested to check the R version

and also the package version requirements.

requirements, but I'm already using the latest available version of R, 2.8.1. I'm using Windows XP Professional.


Thanks for any help,
Megan Davies

Megan Davies
Policy and Advice Officer, Statistician
Scottish Natural Heritage
01463 725072

--
Brian D. Ripley,                  rip...@stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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