[R] masking functions

ripley@stats.ox.ac.uk ripley at stats.ox.ac.uk
Mon Apr 29 15:44:25 CEST 2002

On Mon, 29 Apr 2002, Alberto Murta wrote:

> Dear all
> I was writing some code that needed functions from packages 'MASS' and
> 'CircStats', and I received a warning saying that the function
> 'eqscplot' in one of the packages was masked by another 'eqscplot' from
> the other package (in fact 'eqscplot' from 'CircStats' seems a short
> version of 'eqscplot' from 'MASS'). This masking of functions may become
> a serious problem as the number of packages in CRAN grows. Maybe an
> alphabetical list of all function names from all packages in CRAN could
> be made available in the web-page, so that in the future people could
> avoid using names that already exist when submitting packages to CRAN.

That would almost impossible to keep up to date.  Note that masking is
only a problem if packages are used together.

I really see no reason for CircStats to include an old version of my code
without attribution, though, espcially with the help message

     eqscplot should not be called by the users.

and suggest it be removed.

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 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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