def METHOD_NAME(self):
    """
    """
    dperiod = freqattributes.dominant_period(self.data_win, self.fs,
                                             self.smoothie, self.fk)
    rms = np.sqrt(np.sum((dperiod[0] - self.res[:, 14]) ** 2) /
                  np.sum(self.res[:, 14] ** 2))
    assert rms < 1.0e-5
    rms = np.sqrt(np.sum((dperiod[1] - self.res[:, 15]) ** 2) /
                  np.sum(self.res[:, 15] ** 2))
    assert rms < 1.0e-5