ng.html" class="external-link">remove_missing()</a></code> at the setup step with the <code>na.rm</code> parameter passed to each layer.</p>
</div>
<div class="section level3">
<h3 id="aesthetic-defaults-0-12-4">Aesthetic defaults<a class="anchor" aria-label="anchor" href="#aesthetic-defaults-0-12-4"></a></h3>
<p>To address <a href="https://github.com/corybrunson/ggalluvial/issues/78" class="external-link">#78</a> and for clarity, the legacy default <code>colour = 0</code> of three <code>Geom*()</code>s is 