s of the vertical lines, where weights are represented by the shading of the lines.</p>
<p><img src="figures/ad.png" alt="Example AD stat plot"></p>
<p>Inputs <code>a</code> and <code>b</code> can also be vectors of ordered (or unordered) factors, so long as both have the same levels and orderings. When possible, ordering factors will substantially increase power.</p>
    </div>
    <div class="section level2">
    <h2 id="functions">Functions<a class="anchor" aria-label="anchor" href="#functions"></a></h2>