code: def to_dict(self):
          
          return {
              'pvalues': self.pvalues(),
              'resid': self.resid(),
              'order': self.order,
              'seasonal_order': self.seasonal_order,
              'oob': self.oob(),
              'aic': self.aic(),
              'aicc': self.aicc(),
              'bic': self.bic(),
              'bse': self.bse(),
              'params': self.params()
          }
docs: Get the ARIMA model as a dictionary
  
          Return the dictionary representation of the ARIMA model
  
          Returns
          -------
          res : dictionary
              The ARIMA model as a dictionary.