an class="r-in"><span><span class="co"># random effects values equal to 0</span></span></span>
<span class="r-in"><span><span class="fu"><a href="https://rdrr.io/r/utils/head.html" class="external-link">head</a></span><span class="op">(</span><span class="fu"><a href="methods.html">fitted</a></span><span class="op">(</span><span class="va">fm1</span>, type <span class="op">=</span> <span class="st">"mean_subject"</span><span class="op">)</span><span class="op">)</span></span></span>
<span class="r-out co"><