lass="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">alpha</span> <span class="op">&lt;-</span> <span class="fl">1</span><span class="op">/</span><span class="fl">6</span></span></span>
<span class="r-in"><span><span class="va">xi</span> <span class="op">&lt;-</span> <span class="fl">1</span><span class="op">/</span><span class="fl">3</span></span></span>
<span class="r-in"><span><span class="fu