Uncount

Uncount a counted data table

dt_uncount(dt_, weights, .remove = TRUE, .id = NULL)

Arguments

dt_

the data table to uncount

weights

the counts for each

.remove

should the weights variable be removed?

.id

an optional new id variable, providing a unique id for each row

Value

A data.table with a row for each uncounted column.

Examples

library(data.table)

dt_count <- data.table(
  x = LETTERS[1:3],
  w = c(2, 1, 4)
)
uncount <- dt_uncount(dt_count, w, .id = "id")
uncount[] # note that `[]` forces the printing
#>         x   .id
#>    <char> <int>
#> 1:      A     1
#> 2:      A     2
#> 3:      B     3
#> 4:      C     4
#> 5:      C     5
#> 6:      C     6
#> 7:      C     7