[R] Dealing with ...

[Prof Brian Ripley]

On Sun, 9 Nov 2003, Hadley Wickham wrote:

>  From within a function, how can I extract the individual arguments that 
> make up ...?

dots <- list(...)
names(dots)

is the most common paradigm.  You can also use match.call(expand=TRUE)

> I'm sure this has been discussed on here before but ... does not get 
> indexed.  Any suggestions as to what I should search for would be 
> equally welcome.

Well, that's why there are books about S Programming ... (p.46 gives a 
more sophisticated version).

-- 
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