StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
Group by in R (grouping in one table and matching it with another table)
| Author | Votes | Δ |
|---|---|---|
| Jaap | 1 | +0.35 |
| David Arenburg | 1 | -0.35 |
Last visited: May 1, 2015, 8:15:04 PM