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Update functions.qmd (#1112) 

Fixed a minor repetition
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Matan Hakim 2022-10-26 01:39:28 +03:00 committed by GitHub
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@ -532,7 +532,7 @@ flights |> unique_where(tailnum == "N14228", month)
Here we embrace `condition` because it's passed to `filter()` and `var` because its passed to `distinct()`, `arrange()`, and `pull()`.
We've made all these examples take a data frame as the first argument, but if you're working repeatedly with the same data, it can make sense to hardcode it.
For example, the following function always works with the flights dataset and always selects `time_hour`, `carrier`, and `flight` since they are form the compound primary key that allows you to identify a row.
For example, the following function always works with the flights dataset and always selects `time_hour`, `carrier`, and `flight` since they form the compound primary key that allows you to identify a row.
```{r}
flights_sub <- function(rows, cols) {