ma</span>  <span class="op">&lt;-</span> <span class="fu"><a href="https://rdrr.io/pkg/forecast/man/auto.arima.html" class="external-link">auto.arima</a></span><span class="op">(</span><span class="va">AirPassengers</span><span class="op">)</span></span></span>
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<span class="r-in"><span><span class="fu">model_extraction_helper</span><span class="op">(</span><span class="va">fit_arima</span><span class="op">)</span></span></span>
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