StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
Aggregate data.frame rows using data table with multiple collapse functions
| Author | Votes | Δ |
|---|---|---|
| MichaelChirico | 2 | +0.43 |
| count | 0 | -3.41 |
Last visited: May 27, 2016, 11:30:26 PM