StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
Create an new column in data frame : index in group (not unique between groups)
| Author | Votes | Δ |
|---|---|---|
| Arun | 4 | +1.67 |
| David Arenburg | 3 | +0.33 |
| akrun | 2 | -1.16 |
Last visited: Apr 29, 2015, 2:47:29 PM