StackRating
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Answers and rating deltas for
How to populate NULL column with the previous column per group?
| Author | Votes | Δ |
|---|---|---|
| Tim Schmelter | 3 | +1.33 |
| shA.t | 0 | -0.07 |
| Gordon Linoff | 0 | -1.25 |
Last visited: Nov 17, 2015, 12:12:28 AM