Generate a unique id for each group

group_indices(.data, ...)

Arguments

.data

a tbl

...

Variables to group by. All tbls accept variable names. Some tbls will accept functions of variables. Duplicated groups will be silently dropped.

See also

group_by()

Examples

group_indices(mtcars, cyl)
#> [1] 2 2 1 2 3 2 3 1 1 2 2 3 3 3 3 3 3 1 1 1 1 3 3 3 3 1 1 1 3 2 3 1