group_indices {dplyr} | R Documentation |
Generate a unique id for each group
group_indices(.data, ...)
.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. |
Other grouping functions: group_by_all
,
group_by
, group_keys
,
group_map
, group_nest
,
group_rows
, group_size
,
group_trim
, groups
group_indices(mtcars, cyl)