Hi Ricardo,

CRAN importer? Hmm, just made a very useful discovery! I feel ashamed now.

Attached goes the 1st patch with the modified copyright header and the
fixed typo (actually, it came with the package description in CRAN).


2015-09-13 17:04 GMT-03:00 Ricardo Wurmus <rekado@elephly.net>:
> Thank you very much for these patches!  Did you use the CRAN importer
> for them?
>
> You should add your name to the copyright header at the top of the file
> (maybe as part of the first patch).
>
>> * gnu/packages/statistics.scm (r-assertthat): New variable.
>
> [...]
>
>> +              (uri (string-append "mirror://cran/src/contrib/assertthat_"
>> +                                  version ".tar.gz"))
>
> I wonder if new patches should already contain the archive URI in
> addition to the default URI.  It was pointed out in a previous thread
> that the simple URI produced by the importer is only valid for the
> latest version.
>
>> +    (description
>> +     "Assertthat is an extension to stopifnot() that makes it easy to
>> +declare the pre and post conditions that you code should satisfy,
>
> s/you code/your code/
>
>> +while also producing friendly error messages so that your users know
>> +what they've done wrong.")
>
> ~~ Ricardo
>