[R] which() over a matrix

[Peter Dalgaard]

javier garcia-pintado <jgarcia at ija.csic.es> writes:

> Hello,
> A brief question that I am not able to resolve by my own, but I presume
> it's easy for you:
> 
> I've used apply to find the values closer to 0 in each row of a matrix:
> 
> closer.to.0 <- apply(abs(myarray),MARGIN=1,"min")
> 
> My question is how could I use which (or another way) to obtain a vector
> that indicates which columns contains these "closer to 0" values?
> 
> (I know I can loop, but I mean a faster and elegant way)

Is it which.min that you're looking for?

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