StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
Combine several columns with NA values in R, but only use NA if none of the columns has data
| Author | Votes | Δ |
|---|---|---|
| alistaire | 2 | +1.51 |
| talat | 1 | -0.32 |
| Thomas K | 0 | -2.10 |
| coffeinjunky | 0 | -0.93 |
Last visited: Aug 10, 2017, 7:21:08 AM