Re: [R] S4 : package creation

From: Robin Hankin <r.hankin_at_noc.soton.ac.uk>
Date: Tue, 25 Mar 2008 13:54:33 +0000

One other reference is the vignette in the Brobgingnag package; this is a cookbook approach that gives step-by-step instructions on how to build a simple package using S4 methods.

rksh

On 21 Mar 2008, at 17:29, Martin Morgan wrote:

> Hi Christophe --
>
> In terms of documentation, see ?promptClass, ?promptMethods.
>
> I don't think the description of package creation in 'S4 Classes in 15
> pages, more or less' is the way things are generally done these
> days. A package might normally look like
>
> DESCRIPTION
> NAMESPACE
> R/AllClasses.R
> R/methods-SomeClass.R
>
> The content and organization of the files in the R directory are up to
> the package author, but consist of the usual
>
> setClass("A", ...
> setMethod("foo", ...
>
> as well as other code. The content of DESCRIPTION and NAMESPACE are
> described in the 'Writing R Extensions' manual; important points are
> to Depends: methods and LazyLoad: yes in the DESCRIPTION file. It is
> also good to arrange that the files in the R directory are sourced in
> such a way that classes are defined before the methods that use them
> (using Collate: in the DESCRIPTION).
>
> There are a number of example packages available, including those
> written specifically for illustrating these issues. Several of these
> were referenced in recent threads on this news group, or perhaps it
> was the R-devel news group.
>
> Martin
>
> Christophe Genolini <cgenolin_at_u-paris10.fr> writes:
>
>> Hi the list,
>>
>> Using S4, how can we create a package? In "S4 Classes in 15 pages,
>> more
>> or less", they put all the classes definition in a function that
>> will be
>> called at the opening of the library and they add "by hand" a Rd
>> file.
>> Is it the only way ? Is there something like "S4.package.skeleton"?
>>
>> Thanks
>>
>> Christophe
>>
>> ______________________________________________
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>> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
>> and provide commented, minimal, self-contained, reproducible code.
>
> --
> Martin Morgan
> Computational Biology / Fred Hutchinson Cancer Research Center
> 1100 Fairview Ave. N.
> PO Box 19024 Seattle, WA 98109
>
> Location: Arnold Building M2 B169
> Phone: (206) 667-2793
>
> ______________________________________________
> R-help_at_r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.

--
Robin Hankin
Uncertainty Analyst and Neutral Theorist,
National Oceanography Centre, Southampton
European Way, Southampton SO14 3ZH, UK
  tel  023-8059-7743

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Received on Tue 25 Mar 2008 - 14:07:23 GMT

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