StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
I want to attach one df column below another and assign row values based on other columns
| Author | Votes | Δ |
|---|---|---|
| calestini | 2 | +4.74 |
| Quang Hoang | 0 | -0.59 |
Last visited: Oct 30, 2019, 9:27:30 PM