Re: [R] Overloading %*%

From: knoblauch <knoblauch_at_lyon.inserm.fr>
Date: Sun, 16 Mar 2008 20:49:25 +0000 (UTC)

Joe Cainey <jcainey <at> gmail.com> writes:
> Is it possible to supply a new method for the %*% operator?
clipped
> I've tried to do the same thing with %*%:
>
> "%*%.ad" <- function(a,b)
> {
> # further code here
> }
> However this doesn't work; the new method is never called and the standard
> %*% operator is used instead. I've had a look at the documentation and it
> appears to be because the %*% operator is not part of the "Math", "Ops",
> "Summary" or "Complex" groups. I was wondering if anybody knew of a
> work-around for this?
According to the help page for %*%, it is S4 generic but not S3, so you might make further progress using S4 methods.

> Thanks,
>
> Joe Cainey
>

best,

Ken



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