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Answers and rating deltas for

How do I select all non-NaN data from a specific column of a mxn array in as few steps as possible?

Author Votes Δ
bla 3 +1.68
Dedek Mraz 2 +0.03
Oliver Charlesworth 2 -1.26
Last visited: Sep 14, 2014, 5:07:29 AM