StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
in R, how to calculate mean of all column, by group?
| Author | Votes | Δ |
|---|---|---|
| Wojciech Książek | 4 | +4.00 |
| joel.wilson | 0 | -1.34 |
| loki | 0 | -1.58 |
| Bhas | 0 | -1.08 |
Last visited: Mar 3, 2017, 1:43:42 PM