/span> <span class='st'>'AIC'</span>,
      lag.max <span class='op'>=</span> <span class='fl'>4</span>,
      type <span class='op'>=</span>  <span class='st'>'both'</span>,
      freq <span class='op'>=</span> <span class='st'>'month'</span><span class='op'>)</span>
</div><div class='output co'>#&gt; <span class='warning'>Warning: NAs introduced by coercion</span></div><div class='output co'>#&gt; <span class='warning'>Warning: NAs introduced by coercion</span></div><div class='output co'>#&gt; <span clas