From Ken.Williams at thomsonreuters.com  Thu Jan 27 23:31:32 2011
From: Ken.Williams at thomsonreuters.com (Ken.Williams at thomsonreuters.com)
Date: Thu, 27 Jan 2011 16:31:32 -0600
Subject: [Rd] use of depends, suggests, etc
In-Reply-To: <alpine.LFD.2.02.1101272203470.3466@gannet.stats.ox.ac.uk>
Message-ID: <C9674B00.201BA%ken.williams@thomsonreuters.com>

But suppose I want to write something like: "this package is 10 million
times better than my other package [Foo] because that one will eat your
children" - or "in contrast to the package [Bar], this package is for
continuous data, while that one is for discrete data, so they don't
interoperate".

It wouldn't make sense to Depend or Suggest or Import the [Foo] or [Bar]
package, but if I didn't, the doc-building process will (apparently - I
haven't tried it myself) warn about the link being broken.

I can think of several different ways to address this if there isn't an
existing way (e.g. create a generic SeeAlso dependency field; use a
different syntax for citing packages that aren't dependencies of one sort
or another, etc.), but obviously they'd need the blessing of the people
maintaining the tools & specs.

--
Ken Williams
Senior Research Scientist
Thomson Reuters
Phone: 651-848-7712
ken.williams at thomsonreuters.com
http://labs.thomsonreuters.com





On 1/27/11 4:12 PM, "Prof Brian Ripley" <ripley at stats.ox.ac.uk> wrote:

>On Thu, 27 Jan 2011, Kevin R. Coombes wrote:
>
>> Hi,
>>
>> I'm putting together an R package.  In explaining how it works (in the
>>Rd 
>> files), I want to refer to another package.  The other package is not
>>used 
>> anywhere in the actual code nor in the examples. So, there is no reason
>>to 
>> include the other package in the Depends, Suggests, or Imports lines of
>>the 
>> DESCRIPTION file.  People will be able to use my package without
>>actually 
>> installing the other package.
>>
>> However, "R CMD check" warns about "Missing link(s)" when it is
>>checking the 
>> cross references in the Rd files.
>>
>> What is the preferred way to make this warning go away?
>
>Follow the 'Writing R Extensions' manual.  There is a 3-item bullet
>point in ?1.1.1 following
>
>     'The general rules are'
>
>and your claims contradict the third point.
>
>>
>> Thanks in advance,
>>    Kevin
>>
>> ______________________________________________
>> R-devel at r-project.org mailing list
>> https://stat.ethz.ch/mailman/listinfo/r-devel
>>
>
>-- 
>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] use of depends, suggests, etc
Ken.Williams at thomsonreuters.com