class="r-in"><span><span class="va">t_obj</span> <span class="op">&lt;-</span> <span class="fu">tournament</span><span class="op">(</span>formula <span class="op">=</span> <span class="va">Q</span> <span class="op">~</span> <span class="va">W</span>, data <span class="op">=</span> <span class="va">krokfors</span>, num_cores <span class="op">=</span> <span class="fl">2</span><span class="op">)</span></span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Running tournament  [                   