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Answers and rating deltas for
How can I add columns in a data frame?
| Author | Votes | Δ |
|---|---|---|
| EdChum - Reinstate Monica | 3 | 0.00 |
Last visited: Nov 14, 2015, 12:33:59 PM
| Author | Votes | Δ |
|---|---|---|
| EdChum - Reinstate Monica | 3 | 0.00 |