length_normalization.py 文件源码

def fit_distribution(self):
    y = np.zeros(self.num_sent)
    iter = 0
    for key in self.stats:
      iter_end = self.stats[key].num_sents + iter
      y[iter:iter_end] = key
      iter = iter_end
    mu, std = norm.fit(y)
    self.distr = norm(mu, std)