@classmethod
def ignore(cls, data):
    """"A subselection algorithm to keep all

        This algorithm doesn't do anything except mimic others.

        It will not discard any decoys and keep all!!

        Parameters
        ----------
        data : list, tuple
           A 1D array of scores

        Returns
        -------
        list
           The decoy indices to keep
        list
           The decoy indices to throw

        """
    data = cls._numpify(data)
    return cls.cutoff(data, cutoff=0)
