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Answers and rating deltas for
r: How to calculate the sum of one column based on another column in a dataframe
| Author | Votes | Δ |
|---|---|---|
| Pierre Lapointe | 4 | +1.04 |
| M-- | 2 | +0.06 |
| d.b | 1 | -1.05 |
Last visited: Jun 26, 2017, 9:14:48 AM