div>

    <div class="section level2">
    <h2 id="ref-examples">Examples<a class="anchor" aria-label="anchor" href="#ref-examples"></a></h2>
    <div class="sourceCode"><pre class="sourceCode r"><code><span class="r-in"><span>  <span class="va">fm1</span> <span class="op">&lt;-</span> <span class="fu"><a href="lmer.html">lmer</a></span><span class="op">(</span><span class="va">Reaction</span><span class="op">~</span><span class="va">Days</span><span class="op">+</span><span class="op">(</span><span class="