[R] returning the largest element in an array/matrix?

[Petr Pikal]

Hi

If you do not insist on which.max() you can use

which(mat==max(mat), arr.ind=T)

HTH
Petr




On 6 Mar 2006 at 20:55, Michael wrote:

Date sent:      	Mon, 6 Mar 2006 20:55:20 -0800
From:           	Michael <comtech.usa at gmail.com>
To:             	R-help at stat.math.ethz.ch
Subject:        	[R] returning the largest element in an array/matrix?

> Hi all,
> 
> I want to use "which.max" to identify the maximum in a 2D array/matrix
> and I want "argmin" and return the row and column indices.
> 
> But "which.max" only works for vector...
> 
> Is there any convinient way to solve this problem?
> 
> Thanks a lot!
> 
>  [[alternative HTML version deleted]]
> 
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Petr Pikal
petr.pikal at precheza.cz