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Answers and rating deltas for
How do I optimize sapply in R to calculate running totals on a dataframe
| Author | Votes | Δ |
|---|---|---|
| cdeterman | 4 | +1.86 |
| G. Grothendieck | 3 | +0.27 |
| Martin Morgan | 0 | -1.56 |
| TARehman | 0 | -1.93 |
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