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Answers and rating deltas for
Group_by and mutate slow on large dataframe
| Author | Votes | Δ |
|---|---|---|
| coffeinjunky | 3 | +1.68 |
| Rich Pauloo | 1 | -0.75 |
| Jaap | 1 | -1.58 |
Last visited: Jan 7, 2019, 2:20:40 AM