StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
I would like to group the rows of this dataset by Index and then sum the rows by common index
| Author | Votes | Δ |
|---|---|---|
| joran | 2 | +0.41 |
| thelatemail | 1 | -3.29 |
Last visited: Sep 14, 2014, 5:07:29 AM