"r-in"><span><span class="fu"><a href="https://rdrr.io/r/utils/head.html" class="external-link">head</a></span><span class="op">(</span><span class="va">Riffleshell</span><span class="op">)</span></span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span>   t caught recaps retmarks</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 1 1     56      0       56</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 2 2     66      5       66</span>
<span class="r-out co"><span class