code: def build_term_doc_matrix():
      term_doc_matrix = TermDocMatrixFactory(
          category_text_iter=iter_party_speech_pairs(),
          clean_function=clean_function_factory(),
          nlp=whitespace_nlp,
      ).build()
      return term_doc_matrix
  
imports: import json
  import os
  import pkgutil
  import re
  from unittest import TestCase
  import numpy
  import pandas
  from scattertext.ParsedCorpus import ParsedCorpus
  from scattertext.CorpusFromParsedDocuments import CorpusFromParsedDocuments
  from scattertext.WhitespaceNLP import whitespace_nlp
  from scattertext.TermDocMatrixFactory import TermDocMatrixFactory
  from scattertext.test.test_TermDocMat import get_hamlet_docs, get_hamlet_snippet_binary_category
  from scattertext.test.test_corpusFromPandas import get_docs_categories
label_desc: Use image node_id 4 for calling a global function with example usage: build_term_doc_matrix() and returns: term_doc_matrix