group_vars() returns a character vector with the names of the grouping
variables. group_keys() returns a data frame with one row per group.
Usage
# S3 method for class 'RPolarsDataFrame'
group_vars(x)
# S3 method for class 'RPolarsLazyFrame'
group_vars(x)
# S3 method for class 'RPolarsDataFrame'
group_keys(.tbl, ...)
# S3 method for class 'RPolarsLazyFrame'
group_keys(.tbl, ...)Examples
pl_g <- polars::as_polars_df(mtcars) |>
group_by(cyl, am)
group_vars(pl_g)
#> [1] "cyl" "am"
group_keys(pl_g)
#> cyl am
#> 1 4 0
#> 2 4 1
#> 3 6 0
#> 4 6 1
#> 5 8 0
#> 6 8 1