Some join_by() examples

Join airport attributes without losing flights:

flights2 |>
  left_join(airports, join_by(origin == faa))

## # A tibble: 336,776 × 13
##    year time_hour           origin dest  tailnum carrier name    lat   lon   alt
##   <int> <dttm>              <chr>  <chr> <chr>   <chr>   <chr> <dbl> <dbl> <dbl>
## 1  2013 2013-01-01 05:00:00 EWR    IAH   N14228  UA      Newa…  40.7 -74.2    18
## 2  2013 2013-01-01 05:00:00 LGA    IAH   N24211  UA      La G…  40.8 -73.9    22
## 3  2013 2013-01-01 05:00:00 JFK    MIA   N619AA  AA      John…  40.6 -73.8    13
## 4  2013 2013-01-01 05:00:00 JFK    BQN   N804JB  B6      John…  40.6 -73.8    13
## # ℹ 336,772 more rows
## # ℹ 3 more variables: tz <dbl>, dst <chr>, tzone <chr>