[R-pkg-devel] Rd cross-references ... NOTE, Undeclared packages ... in Rd xrefs

Duncan Murdoch murdoch@dunc@n @end|ng |rom gm@||@com
Tue Jun 14 00:05:04 CEST 2022


On 13/06/2022 5:11 p.m., Spencer Graves wrote:
> 
> 
> On 6/13/22 1:26 PM, Duncan Murdoch wrote:
>> On 13/06/2022 12:12 p.m., Spencer Graves wrote:
>>> Hello, All:
>>>
>>>
>>>        How do I fix "Rd cross-references ... NOTE
>>> Undeclared packages ‘EnvStats’, ‘drc’, ‘zoo’, ‘prodlim’, ‘plyr’,
>>> ‘TRAMPR’, ‘raster’ in Rd xrefs"?
>>>
>>>
>>>        This occurs with
>>> "https://www.r-project.org/nosvn/R.check/r-devel-linux-x86_64-fedora-clang/Ecfun-00check.html"
>>>
>>> and with
>>> "https://www.r-project.org/nosvn/R.check/r-devel-linux-x86_64-fedora-clang/Ecdat-00check.html".
>>>
>>>     However, this error is not raised on other platforms.  My search for
>>> this note produced essentially the same message for other packages but
>>> no advice on how to fix it.
>>>
>>>
>>>        These are references to other packages that I do not use in my
>>> packages but that some users may wish to consider.  If needed, I will
>>> add them to "Suggests" for the packages.  However, that seems overkill,
>>> because I do not use them myself.  ???
>>
>> Section 2.5 of Writing R Extensions says "Packages referred to by these
>> ‘other forms’ should be declared in the DESCRIPTION file, in the
>> ‘Depends’, ‘Imports’, ‘Suggests’ or ‘Enhances’ fields."  Of those
>> fields, Suggests looks like the best fit.  You'd use Enhances if your
>> package provides "methods for classes from these packages, or ways to
>> handle objects from these packages".
> 
> 
> 	  GitHub Actions failed after I added those packages to Suggests:
> 
> 
> https://github.com/sbgraves237/Ecfun/runs/6869516417?check_suite_focus=true

That log doesn't really give much info about what went wrong.  Maybe 
some of the packages in the Suggests list weren't available?

Duncan Murdoch



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