StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
Date Difference within a group in R and creating a new column based on certain conditions
| Author | Votes | Δ |
|---|---|---|
| thelatemail | 1 | +0.41 |
| Robert | 0 | -3.24 |
Last visited: Nov 10, 2015, 8:47:02 PM