StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
In R, I have two columns and would like to take the sum if a condition is met
| Author | Votes | Δ |
|---|---|---|
| akrun | 3 | +1.27 |
| rafa.pereira | 1 | -1.99 |
| Sotos | 1 | -1.02 |
Last visited: Aug 26, 2016, 2:34:25 PM