.io/r/base/subset.html" class="external-link">subset</a></span><span class="op">(</span><span class="va">all_biodepth</span>, <span class="va">all_biodepth</span><span class="op">$</span><span class="va">location</span> <span class="op">==</span> <span class="st">"Germany"</span><span class="op">)</span></span>
<span class="r-in"></span>
<span class="r-in"><span class="va">vars</span> <span class="op">&lt;-</span> <span class="fu"><a href="whichVars.html">whichVars</a></span><span class="op">(</span><span c