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Answers and rating deltas for
Compute centroid for each group using dplyr
| Author | Votes | Δ |
|---|---|---|
| Hong Ooi | 2 | 0.00 |
Last visited: Jan 24, 2017, 7:19:44 PM
| Author | Votes | Δ |
|---|---|---|
| Hong Ooi | 2 | 0.00 |