StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
Using mutate and group_by to roll an operation over rows
| Author | Votes | Δ |
|---|---|---|
| markus | 5 | 0.00 |
Last visited: Jan 1, 2019, 8:55:20 AM
| Author | Votes | Δ |
|---|---|---|
| markus | 5 | 0.00 |