code: def __init__(
      self,
      metrics: List[str] = None,
      ddof=1,
      bias=True,
      relative_error=1e-3,
  ):
      self.metrics = metrics
      self.summary = StatisticsSummary(ddof, bias, relative_error)
  
imports: import logging
  import re
  from typing import List
  import pandas
  from fate.arch import Context
  from ..abc.module import Module
label_desc: Use image node_id 1 to create a new FeatureStatistics object from inherited base classes: Module with example: obj = FeatureStatistics(metrics, ddof, bias, relative_error)