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Answers and rating deltas for
How to join two data frames by group?
| Author | Votes | Δ |
|---|---|---|
| 5th | 3 | +3.95 |
| Roman | 1 | -0.18 |
| Ralf Stubner | 1 | -0.31 |
Last visited: Sep 2, 2018, 6:42:41 AM