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Answers and rating deltas for
Create a new column in a R dataframe using pattern matching
| Author | Votes | Δ |
|---|---|---|
| Jeff | 1 | 0.00 |
Last visited: Jan 2, 2016, 2:19:49 PM
| Author | Votes | Δ |
|---|---|---|
| Jeff | 1 | 0.00 |