# \donttest{
titanic(c("PassengerId", "Age", "Pclass", "Fare")) |>
head()
#> # A tibble: 6 × 4
#> PassengerId Age Pclass Fare
#> <dbl> <dbl> <dbl> <dbl>
#> 1 1 22 3 7.25
#> 2 2 38 1 71.3
#> 3 3 26 3 7.92
#> 4 4 35 1 53.1
#> 5 5 35 3 8.05
#> 6 6 NA 3 8.46
# }