Exclude - Function Summary
Return the first set less the second set.
exclude set1 set2
set1 - First data set (must be: series bitset)
set2 - Second data set (must be: series bitset)
/case - Uses case-sensitive comparison.
/skip - Treat the series as records of fixed size
size - The size argument. (must be: integer)
Returns the elements of the first set less the elements of the second set. In other words, it removes from the first set all elements that are part of the second set.
Note that performing this function over very large data sets can be CPU intensive.