ria-label="anchor" href="#value"></a></h2>
    <p>A numeric vector containing:</p><ul><li><p>Estimated coefficients of the selection equation (Probit model),</p></li>
<li><p>Estimated coefficients of the outcome equation (excluding IMR),</p></li>
<li><p>Estimated standard deviation of the outcome errors (<code>phi</code>),</p></li>
<li><p>Estimated correlation between the error terms (<code>cor</code>).</p></li>
</ul></div>
    <div class="section level2">
    <h2 id="details">Details<a class="anchor" aria-