="r-out co"><span class="r-pr">#&gt;</span> 6   205    506 Bluegill    1.9    1.8 2008</span>
<span class="r-in"><span></span></span>
<span class="r-in"><span><span class="co">## Isolate just Bluegills</span></span></span>
<span class="r-in"><span><span class="va">bg.il</span> <span class="op">&lt;-</span> <span class="fu"><a href="https://rdrr.io/r/base/subset.html" class="external-link">subset</a></span><span class="op">(</span><span class="va">InchLake2</span>,<span class="va">species</span><span class="