def logprob(self):
        if self.__logprob is None:
            if self.__prob is None: return None
            self.__logprob = math.log(self.__prob, 2)
        return self.__logprob
Return ``log(p)``, where ``p`` is the probability associated
dataset/ETHPy150Open nltk/nltk/nltk/probability.py/ProbabilisticMixIn.logprob