Use visible column (#584)

for `desc()` example; the previous `arr_delay` column was invisible in the website rendering.
2018-06-20 09:58:12 +02:00 · 2018-06-20 09:58:12 +02:00 · e682fdc45a
parent f8fcc86243
commit e682fdc45a
1 changed files with 1 additions and 1 deletions
--- a/transform.Rmd
+++ b/transform.Rmd
@ -223,7 +223,7 @@ arrange(flights, year, month, day)
 Use `desc()` to re-order by a column in descending order:

 ```{r}
-arrange(flights, desc(arr_delay))
+arrange(flights, desc(dep_delay))
 ```

 Missing values are always sorted at the end: