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group_cols

Select grouping variables

Description

This selection helpers matches grouping variables. It can be used in select() or vars() selections.

Usage

group_cols(vars = NULL, data = NULL)

Arguments

vars

Deprecated; please use data instead.
data

For advanced use only. The default NULL automatically finds the "current" data frames.

See Also

groups() and group_vars() for retrieving the grouping variables outside selection contexts.

Examples

gdf <- iris %>% group_by(Species)
gdf %>% select(group_cols())

# Remove the grouping variables from mutate selections:
gdf %>% mutate_at(vars(-group_cols()), `/`, 100)
# -> No longer necessary with across()
gdf %>% mutate(across(everything(), ~ . / 100))
dplyr

A Grammar of Data Manipulation

v1.0.6
MIT + file LICENSE
Authors
Hadley Wickham [aut, cre] (<https://orcid.org/0000-0003-4757-117X>), Romain François [aut] (<https://orcid.org/0000-0002-2444-4226>), Lionel Henry [aut], Kirill Müller [aut] (<https://orcid.org/0000-0002-1416-3412>), RStudio [cph, fnd]
Initial release

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