code: def use_custom_term_frequencies(self, custom_term_frequencies):
  		'''
  		Parameters
  		----------
  		pd.Series
  		term -> frequency
  		Returns
  		-------
  		PriorFactory
  		'''
  		self.priors += custom_term_frequencies.reindex(self.priors.index).fillna(0)
  		return self use_custom_term_frequencies(self, custom_term_frequencies):
  		'''
  		Parameters
  		----------
  		pd.Series
  		term -> frequency
  		Returns
  		-------
  		PriorFactory
  		'''
  		self.priors += custom_term_frequencies.reindex(self.priors.index).fillna(0)
  		return self
docs: Parameters
  		----------
  		pd.Series
  		term -> frequency
  		Returns
  		-------
  		PriorFactory