docstr: :param x_dim: int
  :param y_dim: int
  :return: pd.DataFrame
code: def get_pandas_projection(self):
      """
  
      :param x_dim: int
      :param y_dim: int
      :return: pd.DataFrame
      """
      to_ret = pd.DataFrame(
          {
              "term": self.category_corpus.get_metadata(),
              "x": self._get_x_axis(),
              "y": self._get_y_axis(),
          }
      ).set_index("term")
      return to_ret
  
imports: from abc import ABC, abstractmethod
  import pandas
  import numpy
  from scattertext.Scalers import stretch_neg1_to_1
label_desc: Use image node_id 4 for calling the CategoryProjectionBase obj's underlying member method code with example usage: obj.get_pandas_projection() and returns: to_ret