Re: [Rd] Undocumented functions

From: Martin Maechler <>
Date: Fri, 16 Dec 2011 11:50:07 +0100

>>>>> David Scott <> >>>>> on Fri, 16 Dec 2011 22:51:11 +1300 writes:

    > One easy way is to list the undocumented files in     > pkg-internal.Rd. From the Writing R Extensions manual:

    > Note that all user-level objects in a package should be
    > documented; if a package pkg contains user-level objects
    > which are for “internal” use only, it should provide a
    > file pkg-internal.Rd which documents all such objects, and
    > clearly states that these are not meant to be called by
    > the user. See e.g. the sources for package *grid* in the R
    > distribution for an example.

    > Probably a perverse use of this facility, but it works,     > and will even allow the package to pass check.

    > David Scott

Excuse me David,
but I think the above actually is pre-R-2.14.x advice.

Now that every (installed) package has a NAMESPACE anyway, package authors really should use a NAMESPACE themselves (instead of the "auto-generated at installation-time" one) and export the non-internal function


    > On 16/12/2011 1:01 a.m., Nicola Sturaro Sommacal wrote:

>> Hi!
>> I am building a package. This package will not submitted
>> to CRAN.
>> I write the help files for the most important functions
>> of my package, I cannot write it for all functions. This
>> may sounds strange, but so there!
>> I know that all user-level functions should be
>> documented, so I have to move my undocumented functions
>> to a non-user-level. It's right?
>> To move my functions to a non-user-level I can write them
>> as hidden functions, with a dot before the names. This
>> require a very long check of my code to change the call
>> to the function preceding it by a dot. So, this is not a
>> real choice. There are other way to reach my purpose?
>> Thank you very much for help.
>> Sincerely, Nicola
    > -- 
    > _________________________________________________________________
    > David Scott Department of Statistics The University of
    > Auckland, PB 92019 Auckland 1142, NEW ZEALAND Phone: +64 9
    > 923 5055, or +64 9 373 7599 ext 85055 Email:
    >, Fax: +64 9 373 7018

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