code: def _adjust_frame(
      self,
      first_names_probs: pd.DataFrame,
      zip_codes_probs: pd.DataFrame,
      first_names_zip_codes_probs: pd.DataFrame,
  ) -> pd.DataFrame:
      names_zip_codes_data = pd.concat(
          [
              first_names_probs["first_name"].to_frame(),
              zip_codes_probs["zip_code"].to_frame(),
              first_names_zip_codes_probs,
          ],
          axis=1,
      )
      return names_zip_codes_data
  
file_path: bias-detector/bias_detector/models/FirstNameZipcodeModel.py
imports: from surgeo.models.base_model import BaseModel
  from bias_detector.common import *
  import pandas
  import surgeo
  import pathlib
label_desc: Use image node_id 4 for calling the FirstNameZipcodeModel obj's underlying member method code with example usage: obj._adjust_frame(first_names_probs, zip_codes_probs, first_names_zip_codes_probs) and returns: names_zip_codes_data