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Answers and rating deltas for
How execute fuction sum() in a column with df concate with other df
| Author | Votes | Δ |
|---|---|---|
| Nick Martin | 3 | +4.10 |
| User | 1 | -1.40 |
| Matt | 1 | -1.41 |
| ansev | 1 | -0.16 |
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