StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
To find whether a column exists in data frame or not
| Author | Votes | Δ |
|---|---|---|
| Jack Maney | 14 | +3.16 |
| Andrie | 4 | -3.16 |
Last visited: Sep 14, 2014, 5:07:29 AM