StackRating
An Elo-based rating system for Stack Overflow
Home
|
About
|
Stats and Analysis
|
Get a Badge
Answers and rating deltas for
R - data.table by group by - order of keys and missing keys
Author
Votes
Δ
Frank
2
+4.32
eddi
1
-0.54
Last visited: Sep 14, 2014, 5:07:29 AM