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Answers and rating deltas for
dplyr returns global mean for each group, instead of each groups mean
| Author | Votes | Δ |
|---|---|---|
| Jonathan von Schroeder | 4 | +3.70 |
| akrun | 1 | +0.04 |
| Khwaja n r | 0 | -3.99 |
Last visited: Jun 24, 2017, 4:03:14 PM