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Answers and rating deltas for
Summing the columns for every variable in data frame by groups using R
| Author | Votes | Δ |
|---|---|---|
| user295691 | 3 | +4.86 |
| josliber | 2 | -0.26 |
| ExperimenteR | 2 | -1.41 |
Last visited: Nov 20, 2015, 2:19:37 PM