Return a factor's levels as a single delimited string

Collapses the levels of a factor into one character string, separated by `" ;; \n"`. If the factor has more than 50 levels, only the first 50 are used and a warning is issued.

Usage

get_levels(f)

Arguments

f

A factor (or a vector coercible to a factor).

Value

A single character string listing the factor levels.