cement <code>at</code> values (mimicking the <code>atlist</code> option of Stata’s <code>margins</code> command)</li>
</ul>
<div id="simple-code-examples" class="section level2">
<h2 class="hasAnchor">
<a href="#simple-code-examples" class="anchor"></a>Simple code examples</h2>
<p>A major downside of the <code><a href="https://www.rdocumentation.org/packages/stats/topics/predict">predict()</a></code> methods for common modelling classes is that the result is not type-safe. Consider the following simple ex