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Answers and rating deltas for
How do I perform a function on each row of a data frame and have just one element of the output i...
| Author | Votes | Δ |
|---|---|---|
| IRTFM | 9 | +4.50 |
| Dirk Eddelbuettel | 1 | -0.56 |
Last visited: Sep 14, 2014, 5:07:29 AM