StackRating
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Answers and rating deltas for
Aggregate data frame by date and apply different functions to corresponding columns?
| Author | Votes | Δ |
|---|---|---|
| Roland | 7 | +1.92 |
| G. Grothendieck | 4 | -0.45 |
| Greg Snow | 3 | -0.83 |
Last visited: Sep 14, 2014, 5:07:29 AM