desc() is unnecessary, as later filtered both first and last (#1447)
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@ -742,7 +742,7 @@ Filtering gives you all variables, with each observation in a separate row:
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```{r}
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```{r}
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flights |>
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flights |>
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group_by(year, month, day) |>
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group_by(year, month, day) |>
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mutate(r = min_rank(desc(sched_dep_time))) |>
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mutate(r = min_rank(sched_dep_time)) |>
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filter(r %in% c(1, max(r)))
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filter(r %in% c(1, max(r)))
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```
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```
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