result.enable(Capability.DATE_CLASS);
  public Capabilities getCapabilities() {    Capabilities result = super.getCapabilities();    // attributes    result.enable(Capability.NOMINAL_ATTRIBUTES);    result.enable(Capability.NUMERIC_ATTRIBUTES);    result.enable(Capability.DATE_ATTRIBUTES);    result.enable(Capability.MISSING_VALUES);    // class    result.enable(Capability.NOMINAL_CLASS);    if (m_evaluationMeasure != EVAL_ACCURACY && m_evaluationMeasure != EVAL_AUC) {      result.enable(Capability.NUMERIC_CLASS);    }    result.enable(Capability.DATE_CLASS);    result.enable(Capability.MISSING_CLASS_VALUES);    return result;  }