def _r_Nr(self):
        nonzero = self._r_Nr_non_zero()

        if not nonzero:
            return [], []
        return zip(*sorted(nonzero.items()))
| Prepare a graph representation to be sent to the server or executed
dataset/ETHPy150Open nltk/nltk/nltk/probability.py/SimpleGoodTuringProbDist._r_Nr--crossover with--dataset/ETHPy150Open mikrosimage/OpenRenderManagement/src/puliclient/__init__.py/Graph.prepareGraphRepresentation