[R] Matrix indexing question

R.E. Darnell r.e.darnell at ncl.ac.uk
Wed Apr 12 16:16:26 CEST 2000

I apologise if this type of question has been answered before, however
how do I count the number of TRUE's in the upper half (non-symmetric)
matrix of logicals.

Thank you

Ross Darnell
University of Newcastle
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