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Answers and rating deltas for
How to make a unique in R by column A and keep the row with maximum value in column B
| Author | Votes | Δ |
|---|---|---|
| Roland | 5 | +2.04 |
| Jilber Urbina | 3 | -1.64 |
Last visited: Sep 14, 2014, 5:07:29 AM