group_by standard interface.

Source: R/group_by_se.R

Group a data frame by the groupingVars. group_by_se intentionally groups only by sets of variables, not by expressions over variables.

group_by_se(.data, groupingVars, add = FALSE)

Arguments

.data

data.frame
groupingVars

character vector of column names to group by.
add

logical, passed to group_by

Value

.data grouped by columns named in groupingVars

See also

group_by, group_by_at

Examples



datasets::mtcars %.>%
  group_by_se(., c("cyl", "gear")) %.>%
  head(.)

#> # A tibble: 6 x 11
#> # Groups:   cyl, gear [4]
#>     mpg   cyl  disp    hp  drat    wt  qsec    vs    am  gear  carb
#>   <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl>
#> 1  21       6   160   110  3.9   2.62  16.5     0     1     4     4
#> 2  21       6   160   110  3.9   2.88  17.0     0     1     4     4
#> 3  22.8     4   108    93  3.85  2.32  18.6     1     1     4     1
#> 4  21.4     6   258   110  3.08  3.22  19.4     1     0     3     1
#> 5  18.7     8   360   175  3.15  3.44  17.0     0     0     3     2
#> 6  18.1     6   225   105  2.76  3.46  20.2     1     0     3     1