class_docstr: ARMA has been deprecated in favor of the new implementation
  
  See Also
  --------
  statsmodels.tsa.arima.model.ARIMA
      ARIMA models with a variety of parameter estimators
  statsmodels.tsa.statespace.SARIMAX
      SARIMAX models estimated using MLE
code: def __init__(self, *args, **kwargs):
      raise NotImplementedError(ARIMA_DEPRECATION_ERROR)
  
file_path: statsmodels/statsmodels/tsa/arima_model.py
label_desc: Use image node_id 1 to create a new ARMAResults object  with example: obj = ARMAResults()