protected boolean checkMissingPredictors(int percent) {
protected boolean checkMissingPredictors(int percent, boolean allowFail) {
  protected boolean checkMissingPredictors(int percent) {    boolean[]     result;        result = m_Tester.canHandleMissing(        m_NominalPredictors,         m_NumericPredictors,         m_StringPredictors,         m_DatePredictors,         m_RelationalPredictors,         m_multiInstanceHandler,         true,        percent);    if (!result[0] && !result[1])      fail("Error handling " + percent + "% missing predictors!");        return result[0];  }