StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
Getting mean and standard deviation from groups in a data.frame
| Author | Votes | Δ |
|---|---|---|
| Roland | 2 | +0.44 |
| user1981275 | 1 | -3.50 |
Last visited: Sep 14, 2014, 5:07:29 AM