dplyr (version 0.4.0)

group_indices: Group id.

Description

Generate a unique id for each group

Usage

group_indices(.data, ...)
group_indices_(.data, ..., .dots, add = FALSE)

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.

add

By default, when add = FALSE, group_by will override existing groups. To instead add to the existing groups, use add = TRUE

See Also

group_by

Examples

group_indices(mtcars, cyl)