Some join_by() examples

Join airport attributes without losing flights:

flights2 |>
  left_join(airports, join_by(dest == 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      Geor…  30.0 -95.3    97
## 2  2013 2013-01-01 05:00:00 LGA    IAH   N24211  UA      Geor…  30.0 -95.3    97
## 3  2013 2013-01-01 05:00:00 JFK    MIA   N619AA  AA      Miam…  25.8 -80.3     8
## 4  2013 2013-01-01 05:00:00 JFK    BQN   N804JB  B6      <NA>   NA    NA      NA
## # ℹ 336,772 more rows
## # ℹ 3 more variables: tz <dbl>, dst <chr>, tzone <chr>