|  | ## Select Subprocess

#### Synopsis

This operator can be used to select a single inner operator which should be performed, e.g. by means of parameter iteration or optimization operators.

#### Description

This operator can be used to employ a single inner operator or operator chain. Which operator should be used can be defined by the parameter "select_which". Together with one of the parameter optimizing or iterating operators this operator can be used to dynamically change the process setup which might be useful in order to test different layouts, e.g. the gain by using different preprocessing steps or chains or the quality of a certain learner.

#### Input

- input 1:

#### Output

- output 1:

#### Parameters

- select which: Indicates which inner operator should be currently employed by this operator on the input objects.

#### ExampleProcess