ot3</span>, ncol<span class="op">=</span><span class="fl">1</span><span class="op">)</span></span>
<span></span>
<span><span class="co"># Create one-step-ahead residual analysis plot</span></span>
<span><span class="va">p2</span> <span class="op">&lt;-</span> <span class="fu"><a href="https://rdrr.io/r/graphics/plot.default.html" class="external-link">plot</a></span><span class="op">(</span><span class="va">fit</span><span class="op">)</span></span>
<span></span>
<span><span class="co"># Wrap both plots</sp