ction<a class="anchor" aria-label="anchor" href="#arg-selection"></a></dt>
<dd><p>A formula for the selection equation.</p></dd>


<dt id="arg-outcome">outcome<a class="anchor" aria-label="anchor" href="#arg-outcome"></a></dt>
<dd><p>A formula for the outcome equation.</p></dd>


<dt id="arg-data">data<a class="anchor" aria-label="anchor" href="#arg-data"></a></dt>
<dd><p>A data frame containing the variables.</p></dd>

</dl></div>
    <div class="section level2">
    <h2 id="value">Value<a class="anchor" a