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Answers and rating deltas for
Create third dataframe with existing two dataframe columns
| Author | Votes | Δ |
|---|---|---|
| Zero | 3 | 0.00 |
Last visited: May 20, 2018, 5:04:22 PM
| Author | Votes | Δ |
|---|---|---|
| Zero | 3 | 0.00 |