Re: [Rd] Help for methods

From: Prof Brian Ripley <>
Date: Tue 19 Sep 2006 - 13:02:21 GMT

On Tue, 19 Sep 2006, hadley wickham wrote:

>> You are supposed to do:
>> ?summary.lm
>> ?
>> for S3 methods. The former works, the latter doesn't - which is

? does work on my systems.

>> probably considered a bug, but then the usage of some of the
>> generics are probably considered obvious and fundamental enough
>> that doesn't really behave in any substantially
>> different way compared to what is said in ?summary and ?Summary .
> Well, I know that, and you know that, but how is anyone supposed to
> figure it out? It means that you need to have a working knowledge of
> the S3 and S4 class systems before you can use the help to reliably
> get the documentation you need.

For S3 you do to understand that there are different methods, and it is in `An Introduction to R'. And ?summary reminds you.

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

______________________________________________ mailing list
Received on Tue Sep 19 23:06:27 2006

Archive maintained by Robert King, hosted by the discipline of statistics at the University of Newcastle, Australia.
Archive generated by hypermail 2.1.8, at Tue 19 Sep 2006 - 13:30:09 GMT.

Mailing list information is available at Please read the posting guide before posting to the list.