StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
Compute mean and standard deviation by group for multiple variables in a data.frame
| Author | Votes | Δ |
|---|---|---|
| G. Grothendieck | 12 | +0.66 |
| Carson | 9 | +2.35 |
| Ricardo Saporta | 6 | -0.34 |
| eddi | 5 | -2.77 |
Last visited: Sep 14, 2014, 5:07:29 AM