an><span class="op">(</span><span class="va">x</span><span class="op">)</span></span>
<span><span class="fu"><a href="https://wilkelab.org/cowplot/reference/plot_grid.html" class="external-link">plot_grid</a></span><span class="op">(</span><span class="va">a</span>, <span class="va">b</span>, ncol <span class="op">=</span> <span class="fl">2</span><span class="op">)</span></span></code></pre></div>
<p><img src="qqplot_files/figure-html/unnamed-chunk-3-1.png" width="672" style="display: block; margin: auto;"