“为了让每列更加直观，也可以tribble()创建” about r_for_data_science

[perlatex]

tibble::tribble(
   ~x, ~y,
  "a", 1L,
  "b", 2L,
  "c", 3L
  )
#> # A tibble: 3 x 2
#>   x         y
#>   <chr> <int>
#> 1 a         1
#> 2 b         2
#> 3 c         3



data.frame(
   x = c("a", "b", "c"),
   y = c(1L, 2L, 3L)
)
#>   x y
#> 1 a 1
#> 2 b 2
#> 3 c 3

^{Created on 2021-04-12 by the reprex package (v2.0.0)}

[A-Pai]

明白了，tribble下边有数据的类型