[R] basic array question

Tim Alcon talcon at iastate.edu
Fri Jun 2 10:14:14 CEST 2006

I have a large array and would like to extract from it the row and 
column indices just of values for which a particular boolean condition 
is true.  I assume there's a simple way to do this, but I haven't 
figured it out yet.  Any help would be appreciated.


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