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Answers and rating deltas for

how to find the top N values by group or within category (groupwise) in an R data.frame

Author Votes Δ
Arun 7 +0.76
Ista 5 +2.18
IRTFM 2 -0.54
Anthony Damico 0 -3.35
Last visited: Sep 14, 2014, 5:07:29 AM