StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
How to group multiple rows based on some criteria and sum values in R?
| Author | Votes | Δ |
|---|---|---|
| Rui Barradas | 2 | +2.41 |
| Shree | 1 | -2.41 |
Last visited: Mar 4, 2019, 2:24:38 PM