|  | ## Union

#### Synopsis

This operator first builds the union set / superset for both input example sets and merges both extended sets into a new one.

#### Description

This operator performs two steps: first, it build the union set / superset of features of both input example sets where common features are kept and both feature sets are extended in a way that the feature sets are equal for both example sets. The second step then merges both example sets and will deliver the resulting example set.

#### Input

- example set 1: expects: ExampleSet, expects: ExampleSet
- example set 2: expects: ExampleSet, expects: ExampleSet

#### Output

- union:

#### Parameters

#### ExampleProcess