From ripley at stats.ox.ac.uk  Mon Mar 26 17:44:58 2012
From: ripley at stats.ox.ac.uk (Prof Brian Ripley)
Date: Mon, 26 Mar 2012 16:44:58 +0100
Subject: [Rd] bzip2'ed data under data/
In-Reply-To: <87wr67pe8u.fsf@kolob.subpolar.dyndns.org>
References: <877gygtk27.fsf@kolob.subpolar.dyndns.org>
	<4F6A1F63.807@stats.ox.ac.uk>
	<87wr67pe8u.fsf@kolob.subpolar.dyndns.org>
Message-ID: <4F708EFA.50502@stats.ox.ac.uk>

On 26/03/2012 16:34, Sebastian P. Luque wrote:
> On Wed, 21 Mar 2012 18:35:15 +0000,
> Prof Brian Ripley<ripley at stats.ox.ac.uk>  wrote:
>
>> 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.
>
> Does this mean we can still compress the files, but leave the file name
> with suffix *.csv (i.e. not adding the compression-specific suffix)?
> The 2 files I'm including in the package are a little over 1 Mb, and
> bzip2 gets them down to<  150 Kb.

Yes, that is what the help file says.
>
>> 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.
>
> Up to R 2.14.2, R CMD check was reporting a Warning, rather than a Note,
> but indeed the latest R-devel and R-pre-release don't.  Thanks.
>
> Cheers,
>


-- 
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



[Rd] bzip2'ed data under data/
Prof Brian Ripley