docstr: Returns
  -------
  pd.Series, TermDocMatrix
docstr_tok: ["Returns","--","--","--","-","pd.Series",",","TermDocMatrix"]
code: def build(self):
      """
      Returns
      -------
      pd.Series, TermDocMatrix
      """
      return self.get_priors(), self.term_doc_mat
  
imports: import pandas
  import numpy
  from scattertext.termranking import AbsoluteFrequencyRanker
  from scattertext.termsignificance.LogOddsRatioInformativeDirichletPiror import LogOddsRatioInformativeDirichletPrior
label_desc: Use image node_id 15 for calling the PriorFactory obj's underlying member method code with example usage: obj.build() and returns: self,  self