StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
R Data table - how to use previous row value within group
| Author | Votes | Δ |
|---|---|---|
| user227710 | 2 | 0.00 |
Last visited: Nov 10, 2015, 8:37:07 PM
| Author | Votes | Δ |
|---|---|---|
| user227710 | 2 | 0.00 |