StackRating
An Elo-based rating system for Stack Overflow
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Answers and rating deltas for
R ddply summarise sum only selected/specific/logical rows
Author
Votes
Δ
Pierre L
3
+2.03
akrun
2
-1.13
RHertel
2
-0.23
Last visited: Feb 11, 2016, 6:50:05 PM