= NULL</code>.</p></dd>


<dt id="arg-ace">ace<a class="anchor" aria-label="anchor" href="#arg-ace"></a></dt>
<dd><p>A data.frame generated by <code><a href="SEMace.html">SEMace</a></code>.
If NULL, <code><a href="SEMace.html">SEMace</a></code> will be automatically run.</p></dd>


<dt id="arg-path">path<a class="anchor" aria-label="anchor" href="#arg-path"></a></dt>
<dd><p>If <code>path = "directed"</code>, all directed paths between
the two nodes will be included in the fitted model.
If <code>p