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Answers and rating deltas for
How to extraxt immediate next row after the last observations within a group in R and rbind them ...
| Author | Votes | Δ |
|---|---|---|
| akrun | 1 | +0.20 |
| bgoldst | 1 | +2.06 |
| Colonel Beauvel | 0 | -3.63 |
Last visited: Apr 29, 2015, 3:32:43 PM