question: returns the number of equivalence classes in the currently selected data representation . concode_field_sep GroupStatistics groupStatistics concode_field_sep int getMinimalEquivalenceClassSizeIncludingOutliers concode_elem_sep double getAverageEquivalenceClassSize concode_elem_sep int getNumberOfOutlyingEquivalenceClasses concode_elem_sep int getMaximalEquivalenceClassSizeIncludingOutliers concode_elem_sep int getMinimalEquivalenceClassSize concode_elem_sep double getAverageEquivalenceClassSizeIncludingOutliers concode_elem_sep int getNumberOfOutlyingTuples concode_elem_sep int getMaximalEquivalenceClassSize
target: int function ( ) { return groupStatistics . getNumberOfGroups ( ) ; }