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Answers and rating deltas for
How to get the difference in value between subsequent observations (country-years)?
Author | Votes | Δ |
---|---|---|
flodel | 3 | +0.35 |
Maiasaura | 2 | -1.44 |
Carlos Cinelli | 1 | 0.00 |
hadley | 1 | 0.00 |
Last visited: Sep 14, 2014, 5:07:29 AM