[R] Unable to load package:lme4 [ Ubuntu 9.04 ]

[Girish A.R.]

Hi Martin,

Thanks for your prompt response! As suggested, I re-installed 'lme4'
and am now able to load it without any problem.

best,
-Girish

-----------------------------------------------------------------------------------
> packageDescription("lme4")
Package: lme4
Version: 0.999375-31
Date: 2009-05-20

Title: Linear mixed-effects models using S4 classes
Author: Douglas Bates <bates at stat.wisc.edu> and Martin Maechler
        <maechler at R-project.org>

Maintainer: Douglas Bates <bates at stat.wisc.edu>
Description: Fit linear and generalized linear mixed-effects models.
Depends: methods, R(>= 2.9.0), Matrix(>= 0.999375-24), lattice
LinkingTo: Matrix, stats
Imports: graphics, stats
Suggests: mlmRev, MEMSS
LazyLoad: yes
LazyData: yes
License: GPL (>= 2)

URL: http://lme4.r-forge.r-project.org/
Packaged: 2009-05-20 17:41:16 UTC; bates
Repository: CRAN
Date/Publication: 2009-05-24 08:36:20
Built: R 2.9.0; x86_64-pc-linux-gnu; 2009-06-10 09:26:57 UTC; unix
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

-- File: /usr/lib/R/site-library/lme4/Meta/package.rds

================================================================

On Jun 10, 2:15 pm, Martin Maechler <maech... at stat.math.ethz.ch>
wrote:

[.....part of message truncated.....]

>     >> packageDescription("lme4")
>     GAR> Package: lme4
>     GAR> Version: 0.999375-28
>     GAR> Date: 2008-12-13
>     GAR> Title: Linear mixed-effects models using S4 classes
>     GAR> Author: Douglas Bates <ba... at stat.wisc.edu>, Martin Maechler
>     GAR> <maech... at R-project.org> and Bin Dai <d... at stat.wisc.edu>
>     GAR> Maintainer: Douglas Bates <ba... at stat.wisc.edu>
>     GAR> Description: Fit linear and generalized linear mixed-effects models.
>     GAR> Depends: methods, R(>= 2.7.0), Matrix(>= 0.999375-11), lattice
>     GAR> LinkingTo: Matrix, stats
>     GAR> Imports: graphics, stats
>     GAR> Suggests: mlmRev, MEMSS
>     GAR> LazyLoad: yes
>     GAR> LazyData: yes
>     GAR> License: GPL (>=2)
>     GAR> URL:http://lme4.r-forge.r-project.org/
>     GAR> Packaged: Sat Dec 13 20:07:38 2008; maechler
>     GAR> Built: R 2.8.0; x86_64-pc-linux-gnu; 2008-12-15 13:58:54; unix
>          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>
> i.e. installed a while ago, and *not* reinstalled recently
>
> Try to re-install both Matrix and then lme4 using your current R version
> 2.9.0.
>
> Apart from that, yes, you are indeed using current versions of
> Matrix and lme4...
>
> Martin