rr.io/pkg/nlme/man/lme.html">lme</a></span><span class="op">(</span><span class="va">normexam</span> <span class="op">~</span> <span class="va">standLRT</span>, random <span class="op">=</span> <span class="op">~</span><span class="fl">1</span> <span class="op">|</span> <span class="va">school</span>, <span class="va">Exam2</span>,  
               na.action <span class="op">=</span> <span class="va">na.exclude</span><span class="op">)</span>
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