"><span></span></span>
<span class="r-in"><span></span></span>
<span class="r-in"><span><span class="co"># K.fixef = TRUE</span></span></span>
<span class="r-in"><span><span class="co">#  =&gt; adjustment K = 1 + 3 + 5 - 1 (i.e. x + fe1 + fe2 - 1 restriction)</span></span></span>
<span class="r-in"><span><span class="fu"><a href="https://rdrr.io/r/base/summary.html" class="external-link">summary</a></span><span class="op">(</span><span class="va">est</span>, ssc <span class="op">=</span> <span class="fu">ss