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In an R dataframe, if I want to change a column value to another value, but only if it equals 3 diff
| Author | Votes | Δ |
|---|---|---|
| Lucy | 1 | +3.99 |
| Laurent | 0 | -1.97 |
| user3640617 | 0 | -2.02 |
Last visited: Jun 24, 2017, 4:58:10 PM