# A tibble: 7 x 4
  count id    name      age
  <dbl> <chr> <chr>   <int>
1    1. a     Alice      34
2    0. b     Bob        36
3    0. c     Charlie    30
4    1. d     David      29
5    1. e     Esther     32
6    0. f     Fanny      36
7    0. g     Gabby      60
