standard_errors.py 文件源码

def precalculate_factors(self, df):
    """Precomputes the buckets and labels for the Jackknife object.

    Args:
      df: A pandas dataframe.
    """

    if self._unit is None:
      self._buckets = np.arange(len(df))
      self._bucket_labels = np.arange(len(df))
    else:
      self._buckets, names = pd.factorize(df[self._unit])
      self._bucket_labels = np.arange(len(names))