[R] as.numeric(FALSE) fails after loading the Matrix package

[Prof Brian Ripley]

On Thu, 4 Oct 2007, Bernd Weiss wrote:

> Dear all,
>
> is this a bug?

Did you install package Matrix under that exact version of R?  This is the 
symptom of using a version of Matrix installed under R 2.5.x in R 2.6.0.
It works correctly with the CRAN Windows versions of R 2.6.0 and Matrix.

Try find("as.numeric") and see if you find one in Matrix.

>
>
>> as.numeric(FALSE)
> [1] 0
>> library(Matrix)
> Loading required package: lattice
>> as.numeric(FALSE)
> Error in UseMethod("as.double") : no applicable method for "as.double"
>>
>
>
> Regards,
>
> Bernd
>
>
>
>> version
>               _
> platform       i386-pc-mingw32
> arch           i386
> os             mingw32
> system         i386, mingw32
> status         Patched
> major          2
> minor          6.0
> year           2007
> month          10
> day            03
> svn rev        43072
> language       R
> version.string R version 2.6.0 Patched (2007-10-03 r43072)
>> sessionInfo()
> R version 2.6.0 Patched (2007-10-03 r43072)
> i386-pc-mingw32
>
> locale:
> LC_COLLATE=German_Germany.1252;LC_CTYPE=German_Germany.1252;LC_MONETARY=German_Germany.1252;LC_NUMERIC=C;LC_TIME=German_Germany.1252
>
> attached base packages:
> [1] stats     graphics  grDevices utils     datasets  methods   base
>
> other attached packages:
> [1] Matrix_0.999375-2 coda_0.12-1       lattice_0.16-5
>
> loaded via a namespace (and not attached):
> [1] grid_2.6.0  tools_2.6.0
>
> ______________________________________________
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> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>

-- 
Brian D. Ripley,                  ripley at 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