((RemoveWithValues)m_Filter).setInvertSelection(true); ((RemoveWithValues)m_Filter).setMatchMissingValues(true);
((RemoveWithValues)m_Filter).setInvertSelection(false); ((RemoveWithValues)m_Filter).setMatchMissingValues(false);
  public void testMatchMissingValues() {    ((RemoveWithValues)m_Filter).setAttributeIndex("5");    ((RemoveWithValues)m_Filter).setInvertSelection(true);    ((RemoveWithValues)m_Filter).setMatchMissingValues(true);    Instances result = useFilter();    assertEquals(m_Instances.numAttributes(), result.numAttributes());    assertTrue(result.numInstances() > 0);    for (int i = 0; i < result.numInstances(); i++) {      assertTrue("Should select only instances with missing values",             result.instance(i).isMissing(4));    }  }