Method normalize

cogdl/data/data.py:559–561

(self, key="sym")

        self._adj.sym_norm()

    def normalize(self, key="sym"):
        assert key in ["row", "sym", "col"], "Support row/col/sym normalization"
        getattr(self, f"{key}_norm")()

    def is_symmetric(self):
        return self._adj.is_symmetric()