StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
summation of multiple columns grouped by multiple columns in R and output results as data frame
| Author | Votes | Δ |
|---|---|---|
| Matt Dowle | 8 | +3.08 |
| John | 7 | +0.31 |
| Luciano Selzer | 3 | -1.09 |
| Paul Hiemstra | 2 | -3.03 |
Last visited: Sep 14, 2014, 5:07:29 AM