a data.frame with columns named Level, Subset, and Population. Level must
exactly match the levels of vr. Subset must exactly match the levels of
vrby. Population is the population for that level of vr and vrby.
lvls
(optional) only show these levels of vrby
per
calculate rate per this many items in the population
drop_na
drop missing values (NA)?
max_levels
a categorical variable can have at most this many levels. Used to avoid printing huge tables.
See Also
Other tables:
tab(),
tab_cross(),
tab_rate(),
total(),
total_rate()