def __repr__(self):
        return "<RegexpChunkParser with %d rules>" % len(self._rules)
compute the naive bayes learner
dataset/ETHPy150Open nltk/nltk/nltk/chunk/regexp.py/RegexpChunkParser.__repr__--crossover with--dataset/ETHPy150Open bt3gl/Advanced-Machine-Learning/naive_bayes_vs_logistic_regression/nb.py/naive_bayes