span></span>
<span><span class="fu"><a href="https://rdrr.io/r/utils/data.html" class="external-link">data</a></span><span class="op">(</span><span class="st">"Topmodel2007"</span>, package <span class="op">=</span> <span class="st">"psychotree"</span><span class="op">)</span></span>
<span><span class="va">R</span> <span class="op">=</span> <span class="fu"><a href="https://hturner.github.io/PlackettLuce/reference/group.html" class="external-link">as.grouped_rankings</a></span><span class="op">(</span><span