dplyr (version 0.7.3)

groups: Return grouping variables

Description

group_vars() returns a character vector; groups() returns a list of symbols.

Usage

groups(x)
group_vars(x)

Arguments

x

A tbl()

Examples

# NOT RUN {
df <- tibble(x = 1, y = 2) %>% group_by(x, y)
group_vars(df)
groups(df)
# }