StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
is there a way in R to subtract two rows within a group by specifying another grouping var?
Author | Votes | Δ |
---|---|---|
akrun | 2 | +0.69 |
Khaynes | 0 | -1.50 |
BigFinger | 0 | -1.25 |
ThomasIsCoding | 0 | -0.34 |
Last visited: May 14, 2020, 3:16:00 AM