code: def _init_term_doc_matrix_variables(self):
      return CorpusFactoryHelper.init_term_doc_matrix_variables()
  
imports: import numpy
  import pandas
  from scattertext.AsianNLP import chinese_nlp
  from scattertext.CSRMatrixTools import CSRMatrixFactory
  from scattertext.TermDocMatrix import TermDocMatrix
  from scattertext.TermDocMatrixFactory import TermDocMatrixFactory
  from scattertext.TermDocMatrixWithoutCategories import TermDocMatrixWithoutCategories
  from scattertext.indexstore.IndexStore import IndexStore
label_desc: Use image node_id 5 for calling the TermDocMatrixFromPandas obj's underlying member method code with example usage: obj._init_term_doc_matrix_variables() and returns: CorpusFactoryHelper