Rows: 205
Columns: 8
$ time <int> 10, 30, 35, 99, 185, 204, 210, 232, 232, 279, 295, 355, 386,…
$ status <int> 3, 3, 2, 3, 1, 1, 1, 3, 1, 1, 1, 3, 1, 1, 1, 3, 1, 1, 1, 1, …
$ sex <int> 1, 1, 1, 0, 1, 1, 1, 0, 1, 0, 0, 0, 0, 1, 0, 1, 1, 1, 1, 1, …
$ age <int> 76, 56, 41, 71, 52, 28, 77, 60, 49, 68, 53, 64, 68, 63, 14, …
$ year <int> 1972, 1968, 1977, 1968, 1965, 1971, 1972, 1974, 1968, 1971, …
$ thickness <dbl> 6.76, 0.65, 1.34, 2.90, 12.08, 4.84, 5.16, 3.22, 12.88, 7.41…
$ ulcer <int> 1, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, …
$ sex_fct <fct> male, male, male, female, male, male, male, female, male, fe…