span class="op">)</span></span>
<span><span class="co"># S3 method for class 'merMod'</span></span>
<span><span class="fu"><a href="ngrps.html">ngrps</a></span><span class="op">(</span><span class="va">object</span>, <span class="va">...</span><span class="op">)</span></span>
<span><span class="co"># S3 method for class 'merMod'</span></span>
<span><span class="fu"><a href="https://rdrr.io/r/stats/terms.html" class="external-link">terms</a></span><span class="op">(</span><span class="va">x</span>, fixed.onl