StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
Mutate value only for numeric columns AND only in the first and last row of a data frame using dplyr
| Author | Votes | Δ |
|---|---|---|
| zack | 1 | 0.00 |
Last visited: Jan 1, 2019, 8:55:20 AM