StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
Create variables for each group specified in a data.table
| Author | Votes | Δ |
|---|---|---|
| Frank | 4 | +4.05 |
| David Marx | 0 | -4.05 |
Last visited: Sep 14, 2014, 5:07:29 AM