converter.py 文件源码

def SimpleDifferenceVoteMatrix(self):
        """This function outputs only Simple Difference Vote Matrix.
        """
        idx = self.itemlist
        table = self.table

        icnt = len(idx)
        # allocate space for computing
        D = np.zeros((icnt, icnt), dtype=np.float32)
        pair = self.pair

        fast_simple_diff_vote_matrix_build(pair,
                        np.require(table.iloc[:,2:].values, dtype=np.float32),
                        D)

        return D