|  | ## Unify Item Sets

#### Synopsis

Compares sets of frequent item sets and removes common not unique sets.

#### Description

This operator compares a number of FrequentItemSet sets and removes every not unique FrequentItemSet.

#### Input

- frequent item sets 1: optional: FrequentItemSets
- frequent item sets 2: optional: FrequentItemSets
- frequent item sets 3: optional: FrequentItemSets

#### Output

- frequent item sets 1:
- frequent item sets 2:
- frequent item sets 3:

#### Parameters

#### ExampleProcess