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Answers and rating deltas for
How to aggregate a data frame by a list of variables, preserve ungrouped columns and indicate subset
| Author | Votes | Δ |
|---|---|---|
| Andrew Gustar | 3 | +1.46 |
| missuse | 1 | -0.78 |
| Maurits Evers | 1 | -0.60 |
| YOLO | 1 | -0.67 |
Last visited: Jun 20, 2018, 6:45:27 PM