StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
How to do ifelse calculations based on first row by group in R data.table
| Author | Votes | Δ |
|---|---|---|
| Frank | 3 | +1.22 |
| chinsoon12 | 2 | +0.59 |
| Hunaidkhan | 0 | -1.48 |
Last visited: Oct 21, 2019, 3:17:49 PM