Thanks, Douglas.
It works.
Only one gripe. Every time I want to
try a new version of your software, I have
to get, compile, patch the latest bleeding edge version of R
as well:
ERROR: This R is version 2.3.1
package 'Matrix' needs R >= 2.4.0
Douglas Bates wrote:
> Versions 0.9975-1 of the Matrix and lme4 packages will soon be available on
> CRAN for use with R version 2.4.0 or later.
>
> Purpose of the packages:
>
> The Matrix package provides S4 classes and methods for sparse
> and dense matrices. The lme4 package provides functions for fitting
> and assessing linear or generalized linear mixed effects models (also
> called multilevel models). Like the Matrix package, the lme4 package
> uses S4 classes and methods.
> ...
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