-in"><span> <span class="fu"><a href="https://rdrr.io/r/utils/data.html" class="external-link">data</a></span><span class="op">(</span><span class="va">mexdolphins</span><span class="op">)</span></span></span>
<span class="r-in"><span></span></span>
<span class="r-in"><span> <span class="co"># fit a model</span></span></span>
<span class="r-in"><span> <span class="va">hr.model</span> <span class="op">&lt;-</span> <span class="fu"><a href="https://rdrr.io/pkg/Distance/man/ds.html" class="external-link">ds</a