 class="fu"><a href="https://rdrr.io/r/base/c.html" class="external-link">c</a></span><span class="op">(</span><span class="st">"bio1"</span>, <span class="st">"bio12"</span><span class="op">)</span>, bin_width <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/c.html" class="external-link">c</a></span><span class="op">(</span><span class="fl">2</span>, <span class="fl">20</span><span class="op">)</span>,</span></span>
<span class="r-in"><span>    shape <span class="op">=</span> <spa