origDist.setSelected(true);
  public void setInstances(Instances newInst) {    m_data = newInst;    setPercent();    setupAttribLists();    m_rseed.setText("1");    origDist.setSelected(true);    initInternalFields();    m_cp.setInstances(m_data);    m_cp.setCindex(m_classIndex);    m_updateBt.doClick();  }