"><a href="https://rdrr.io/r/stats/hclust.html" class="external-link">hclust</a></span><span class="op">(</span><span class="fu"><a href="https://rdrr.io/r/stats/dist.html" class="external-link">dist</a></span><span class="op">(</span><span class="va">USArrests</span><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">1</span>, <span class="fl">6</span>, <span class="fl">13</span>, <span class="fl">20</