StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
How can I add a column with the mutate function from dplyr in this data frame to calculate the diffe
| Author | Votes | Δ |
|---|---|---|
| Rui Barradas | 2 | +0.50 |
| Jack Brookes | 1 | -4.02 |
Last visited: Jan 15, 2019, 7:45:55 AM