Re: [Rd] bzip2'ed data under data/

From: Prof Brian Ripley <ripley_at_stats.ox.ac.uk>
Date: Wed, 21 Mar 2012 18:35:15 +0000

On 19/03/2012 20:25, Sebastian P. Luque wrote:
> Hi,
>
> R CMD check PACKAGE_VERSION_tar.gz gives warning:
>
> Files not of a type allowed in a ‘data’ directory:
> ‘tser1.csv.bz2’ ‘tser2.csv.bz2’
> Please use e.g. ‘inst/extdata’ for non-R data files
>
> which I didn't expect, based on section 1.1.5 (Data in packages) of the
> Writing R Extensions manual:

>
> Tables (`.tab', `.txt', or `.csv' files) can be compressed by
> `gzip', `bzip2' or `xz', optionally with additional extension `.gz',
> `.bz2' or `.xz'. However, such files can only be used with R 2.10.0 or
> later, and so the package should have an appropriate `Depends' entry in
> its DESCRIPTION file.

>
> In this case, I have a Depends: R (>= 2.13.0), and the package was built
> with R version 2.15.0 beta (2012-03-16 r58769), Platform:
> x86_64-pc-linux-gnu (64-bit), so I don't understand the warning.

>
> Cheers,
>

Well, the extension is allowed 'optionally' to be .csv.bz2, but that does not make it good practice and I would suggest not using it.

But that 'check' picked it up was a typo in the code 'check' used to specify types of data() files, corrected since your build of R so I would expect current R-devel or R-pre-release not to give the NOTE. I am not sure whether or not that has any ramifications for users of the package with older versions of R, but we know calling the compressed file foo.csv would work.

-- 
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

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