def METHOD_NAME(self):
    """Threshold selection mimicking the behaviour of patser (Hertz, Stormo 1999) software.
    It selects such a threshold that the log(fpr)=-ic(M)
    note: the actual patser software uses natural logarithms instead of log_2, so the numbers
    are not directly comparable.
    """
    return self.threshold_fpr(fpr=2**-self.ic)