Use explicit ifelse

Fixes #852
2021-04-18 09:29:27 -05:00
parent 42bbae55d3
commit 023606e9aa
1 changed files with 1 additions and 1 deletions
--- a/datetimes.Rmd
+++ b/datetimes.Rmd
@@ -486,7 +486,7 @@ We can fix this by adding `days(1)` to the arrival time of each overnight flight
 flights_dt <- flights_dt %>% 
  mutate(
    overnight = arr_time < dep_time,
-    arr_time = arr_time + days(overnight * 1),
+    arr_time = arr_time + days(ifelse(overnight, 0, 1)),
    sched_arr_time = sched_arr_time + days(overnight * 1)
  )
 ```