docstr: Export the pandas dataframe.
  
  :return: the internal dataframe.
docstr_tok: ["Export","the","pandas","dataframe",".",":","return",":","the","internal","dataframe","."]
code: def to_pandas(self):
      """
      Export the pandas dataframe.
  
      :return: the internal dataframe.
      """
      return self.df.copy()
  
imports: import pandas
  import numpy
  import functools
  from zoo.chronos.data.utils.feature import generate_dt_features, generate_global_features
  from zoo.chronos.data.utils.impute import impute_timeseries_dataframe
  from zoo.chronos.data.utils.deduplicate import deduplicate_timeseries_dataframe
  from zoo.chronos.data.utils.roll import roll_timeseries_dataframe
  from zoo.chronos.data.utils.scale import unscale_timeseries_numpy
  from zoo.chronos.data.utils.resample import resample_timeseries_dataframe
  from zoo.chronos.data.utils.split import split_timeseries_dataframe
  from zoo.chronos.data.utils.utils import _to_list, _check_type, _check_col_within, _check_col_no_na, _check_is_aligned, _check_dt_is_sorted
  from tsfresh.utilities.dataframe_functions import roll_time_series
  from tsfresh.utilities.dataframe_functions import impute
  from tsfresh import extract_features
  from tsfresh.feature_extraction import ComprehensiveFCParameters, MinimalFCParameters, EfficientFCParameters
label_desc: Use image node_id 13 for calling the TSDataset obj's underlying member method code with example usage: obj.to_pandas() and returns: self