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Answers and rating deltas for
Subsetting a data frame based on a factor level that contains a particular variable in at least o...
| Author | Votes | Δ |
|---|---|---|
| agstudy | 2 | +0.48 |
| Jan van der Laan | 1 | -3.86 |
Last visited: Sep 14, 2014, 5:07:29 AM