code: def project(self, term_doc_mat, x_dim=0, y_dim=1):
          '''
          Returns a projection of the categories
  
          :param term_doc_mat: a TermDocMatrix
          :return: CategoryProjection
          '''
          return self._project_category_corpus(self._get_category_metadata_corpus(term_doc_mat),
                                               x_dim, y_dimf project(self, term_doc_mat, x_dim=0, y_dim=1):
          '''
          Returns a projection of the categories
  
          :param term_doc_mat: a TermDocMatrix
          :return: CategoryProjection
          '''
          return self._project_category_corpus(self._get_category_metadata_corpus(term_doc_mat),
                                               x_dim, y_dim)
docs: Returns a projection of the categories
  
          :param term_doc_mat: a TermDocMatrix
          :return: CategoryProjection