[R] Index of item in matrix

[John Janmaat]

Hello All,

Thanks,

John.

Peter Dalgaard BSA wrote:
> white.denis at epamail.epa.gov writes:
> 
> 
>>Try these:
>>
>>which.col <- function (mat, x) (which(mat==x)-1) %/% nrow(mat) + 1
>>which.row <- function (mat, x) (which(mat==x)-1) %% nrow(mat) + 1
>>
>>Knowing the R community, there may be already functions to do this.
> 
> 
> There is. Take another look at ?which.
> 


-- 
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Dr. John Janmaat
Department of Economics, Acadia University, Wolfville, NS, B4P 2R6
E-mail: jjanmaat at acadiau.ca        Web: http://ace.acadiau.ca/~jjanmaat
Tel: 902-585-1461		   Fax: 902-585-1070