StackRating

An Elo-based rating system for Stack Overflow
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Answers and rating deltas for

Count unique values by column and group of rows

Author Votes Δ
Mouad_Seridi 1 +4.05
Osdorp 0 -2.01
zx8754 0 -0.25
Last visited: Aug 10, 2017, 7:21:08 AM