question: public void testFilteredClassifier ( ) { Instances data ; int i ; if ( m_FilteredClassifier == null ) { return ; } try { data = getFilteredClassifierData ( ) ; m_FilteredClassifier . buildClassifier ( data ) ; for ( i = 0 ; i < data . numInstances ( ) ; i ++ ) { m_FilteredClassifier . classifyInstance ( data . instance ( i ) ) ; } } catch ( Exception e ) { fail ( "Problem with FilteredClassifier: " + e . toString ( ) ) ; } }
target:  tests the filter in conjunction with the FilteredClassifier