def METHOD_NAME(unused_argv):
  if not HAS_MATPLOTLIB:
    raise ImportError(
        "Please install matplotlib to generate a plot from this example.")
  input_filename = FLAGS.input_filename
  if input_filename is None:
    input_filename = _DEFAULT_DATA_FILE
  make_plot("Structural ensemble",
            *structural_ensemble_train_and_predict(input_filename))
  make_plot("AR", *ar_train_and_predict(input_filename))
  pyplot.show()