[R] locating minimum value in matrix

[Chuck Cleland]

On 3/15/2008 7:47 PM, Gonçalo Ferraz wrote:
> Hi,
> 
> I have a matrix BEE and want to find the row and column numbers of  
> the minimum value in that matrix.
> The command
> 
> which(BEE==min(BEE))
> 
> returns only one value which, I take, is the position of the minimum  
> in a vector with as many elements as the matrix.
> 
> Is there a quick and simple way of getting row and column numbers?

   See the second argument to which().

which(BEE==min(BEE), arr.ind=TRUE)

> Thanks,
> 
> Gonçalo
> 
> 	[[alternative HTML version deleted]]
> 
> ------------------------------------------------------------------------
> 
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.

-- 
Chuck Cleland, Ph.D.
NDRI, Inc. (www.ndri.org)
71 West 23rd Street, 8th floor
New York, NY 10010
tel: (212) 845-4495 (Tu, Th)
tel: (732) 512-0171 (M, W, F)
fax: (917) 438-0894