learning order without sorting

Posted by Anderson, Charles (DNR) on Apr 06, 2011; 3:37pm
URL: http://imagej.273.s1.nabble.com/learning-order-without-sorting-tp3684521.html

I would like to learn the rank order of values in an array without actually sorting it. In R,
B = order(X)
Would give me what I need.  Is there something like that in ImageJ?

Thanks.

Charles