</a></span><span class="op">(</span><span class="fl">0</span>, <span class="fl">40</span><span class="op">)</span><span class="op">)</span><span class="op">)</span></span></span>
<span class="r-in"><span><span class="va">island2</span> <span class="op">&lt;-</span> <span class="fu"><a href="region.html">region</a></span><span class="op">(</span><span class="st">"island2"</span>, polygon <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/list.html" class="external-link">list</a></span