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Answers and rating deltas for
In R ,how can I split one column to two columns? Thanks
| Author | Votes | Δ |
|---|---|---|
| Allan Cameron | 2 | +1.57 |
| Karthik S | 1 | +0.04 |
| Duck | 1 | -0.67 |
| Tim Biegeleisen | 1 | -0.89 |
| Chris Ruehlemann | 1 | -0.05 |
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