Re: [Rd] Undocumented S4 methods: generic 'show'

From: Prof Brian Ripley <>
Date: Wed 22 Nov 2006 - 13:14:41 GMT

On Wed, 22 Nov 2006, Pfaff, Bernhard Dr. wrote:

> Dear R-Devel subsriber,
> during the set-up of a package with a NAMESPACE I stumbled over the
> following warning during:
> R CMD check -l c:/R/package smem
> ## skipped output
> * checking for missing documentation entries ... WARNING
> Undocumented S4 methods:
> generic 'show' and siglist 'equation'
> All user-level objects in a package (including S4 classes and methods)
> ## skipped output
> However, I do have in the Rd.-file for class 'equation' an \alias{} as:
> \alias{show, equation-method}

There are no spaces in the examples in Writing R Extensions, so I would not have assumed they are allowed. Does it work without the space? (If it supposed to, we need to document that.)

Brian D. Ripley,        
Professor of Applied Statistics,
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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