[R] Missing 'getGroupMembers()'

Anton Crombach A.B.M.Crombach at exeter.ac.uk
Fri May 30 16:37:41 CEST 2003

S4 methods, I'm using "Programming with data" (~ the green book) as my main 
reference for programming. Not everything is the same in R, usually that was 
not a problem, but using these groups I got a bit lost. I've been looking in 
the R docs of ?setGenerics, ?setGeneric and so on already.

>Do you want to write S3 or S4 methods for these groups?  Both systems have
>groups with those names (and they are not the same). In either case, the
>details are in ?.Methods (in current versions of R).
>On Fri, 30 May 2003, Anton Crombach wrote:
>> I'm trying to write a method such that my own classes can be used with the
>> groups like "Summary" and "Math", but when I tried to look for examples or
>> just wanted to get an idea of which functions are the members of a group, I
>> found out that the function "getGroupMembers" is not present... I couldn't
>> find an alternative function, if there is one. Does anyone know a solution?
>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 272866 (PA)
>Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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