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Answers and rating deltas for

Use aggregate with a function that uses data from two columns (e.g. cov or prod)

Author Votes Δ
Charles 3 +4.15
Gavin Simpson 2 +1.74
Joshua Ulrich 1 -1.76
Richard Herron 0 -3.69
Last visited: Sep 14, 2014, 5:07:29 AM