StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
SAS determine first and last non-missing ID / date by class for each variable
| Author | Votes | Δ |
|---|---|---|
| Joe | 2 | +1.91 |
| data _null_ | 0 | -1.91 |
Last visited: Nov 10, 2016, 10:20:22 PM