al-link">runif</a></span><span class="op">(</span><span class="fl">50</span>, <span class="fl">1</span>, <span class="fl">3</span><span class="op">)</span><span class="op">)</span></span>
<span></span>
<span><span class="co"># return an object of class 'rankings'</span></span>
<span><span class="va">R</span> <span class="op">=</span> <span class="fu">rank_numeric</span><span class="op">(</span><span class="va">df</span>,</span>
<span>                  items <span class="op">=</span> <span class="fl">2</span