StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
R: How to sum up (aggregate) values of dfs according to column criteria within a list?
| Author | Votes | Δ |
|---|---|---|
| Rich Scriven | 5 | +1.47 |
| Frank | 4 | -0.27 |
Last visited: Jan 26, 2016, 7:59:57 AM