def METHOD_NAME(unused_argv):
  if not HAS_MATPLOTLIB:
    raise ImportError(
        "Please install matplotlib to generate a plot from this example.")
  all_times, all_observations = multivariate_train_and_sample()
  # Show where sampling starts on the plot
  pyplot.axvline(1000, linestyle="dotted")
  pyplot.plot(all_times, all_observations)
  pyplot.show()