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Answers and rating deltas for
how to calculate mean using apply for this dataframe in r
| Author | Votes | Δ |
|---|---|---|
| Jeffrey Evans | 3 | +2.42 |
| agstudy | 3 | +0.94 |
| thelatemail | 2 | -0.83 |
Last visited: Sep 14, 2014, 5:07:29 AM