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Answers and rating deltas for
Can I use dplyr::mutate to operate on different rows?
| Author | Votes | Δ |
|---|---|---|
| Valter Beaković | 1 | 0.00 |
Last visited: Dec 1, 2016, 10:00:32 AM
| Author | Votes | Δ |
|---|---|---|
| Valter Beaković | 1 | 0.00 |