dplyr (version 0.5.0)

group_indices: Group id.

Description

Generate a unique id for each group

Usage

group_indices(.data, ...)
group_indices_(.data, ..., .dots)

Arguments

.data

a tbl

...

variables to group by. All tbls accept variable names, some will also accept functions of variables. Duplicated groups will be silently dropped.

.dots

Used to work around non-standard evaluation. See vignette("nse") for details.

See Also

group_by

Examples

group_indices(mtcars, cyl)