- sets
- (- list())
 List of character or integer vectors.- setsmust have at least 2 elements.
 
- p
- (- integer(1))
 Total number of possible elements.
 
- na_value
- (- numeric(1))
 Value that should be returned if the measure is not defined for the input
(as described in the note). Default is- NaN.
 
- ...
- (- any)
 Additional arguments. Currently ignored.