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Answers and rating deltas for
How do I extract unique values from multiple columns and use them to populate one column?
| Author | Votes | Δ |
|---|---|---|
| tigeravatar | 2 | +1.10 |
| MBB70 | 0 | -0.74 |
| Ryan Wildry | 0 | -0.44 |
| BruceWayne | 0 | -0.57 |
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