Reference

All functions
dt_case_when()	Case When with data.table
dt_count()	Count
dt_fill()	Fill with data.table
dt_hoist()	Hoist: Fast Unnesting of Vectors
dt_nest()	Fast Nesting
dt_pivot_longer()	Pivot data from wide to long
dt_pivot_wider()	Pivot data from long to wide
dt_print_options()	Set Print Method
dt_separate()	Separate columns with data.table
dt_starts_with() dt_contains() dt_ends_with() dt_everything()	Select helpers
dt_uncount()	Uncount
dt_unnest()	Unnest: Fast Unnesting of Data Tables
tidyfast tidyfast-package	tidyfast: Fast Tidying of Data