StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
Create a new column that normalizes by groups using dplyr
| Author | Votes | Δ |
|---|---|---|
| Rich Scriven | 5 | 0.00 |
Last visited: Feb 4, 2016, 6:54:47 AM
| Author | Votes | Δ |
|---|---|---|
| Rich Scriven | 5 | 0.00 |