|  | ## ANOVA Matrix

#### Synopsis

Performs an ANOVA significance test for a all numerical attribute based on the groups defined by all other nominal attributes.

#### Description

This operator calculates the significance of difference for the values for all numerical attributes depending on the groups defined by all nominal attributes. Please refer to the operator GroupedANOVAOperator for details of the calculation.

#### Input

- example set: expects: ExampleSetMetaData: #examples: = 0; #attributes: 0

, expects: ExampleSet

#### Output

- example set:
- anova:

#### Parameters

- significance level: The significance level for the ANOVA calculation.
- only distinct: Indicates if only rows with distinct values for the aggregation attribute should be used for the calculation of the aggregation function.

#### ExampleProcess