[R] Re: variable argument lists

[ripley@stats.ox.ac.uk]

See

?do.call

It's a very powerful device, and in some places known as `Bill Venables'
favorite function' (the spelling is a clue) which given Bill's status (not
least as the editor of R-news `Programmer's Niche') tells you all you need
to know.

On Tue, 2 Apr 2002, Brad Buchsbaum wrote:

> Is it possible to make a function treat an R list as if it were a sequence
> arguments?
>
> For instance, the "order" function has a variable length argument list.
> So one could do: x <- order(a,b)
>
> Suppose one does not know in advance the number of arguments to the order
> function and those arguments are stored in a list.
>
> e.g. x <-  list(a,b,c)
>
>
> How would one go about ordering the list of vectors contained in x
> (with b, c, etc. representing "tie-breaking" vectors for the order
> function).
>
> thanks for any help on this.
>
> Brad Buchsbaum
>
>
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-- 
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)
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