colgrp()
Make a Single Column Grouping
group_by2()
Group a Tibble With Inapplicable Groups
infer_colgrps()
Set Column Grouping for a Structured Data Frame
pivot_grps()
Pivot with Inapplicable Groups
sep_colgrp()
Separate Columns By a Character
ungroup(<igrouped_df>)
Ungroup a Tibble With Inapplicable Groups