vector of ETA shrinkages, as reported by NONMEM.
<code>epsilon</code> returns EPSILON shrinkage, as reported by NONMEM.
<code>all</code> returns both ETA and EPSILON shrinkage estimates as a list of vectors.</p>
    </div>
    <div class="section level2">
    <h2 id="see-also">See also<a class="anchor" aria-label="anchor" href="#see-also"></a></h2>
    <div class="dont-index"><p>NONMEM (<a href="https://www.iconplc.com/innovation/nonmem/" class="external-link">https://www.iconplc.com/innovation/nonmem/</a>)