els/introgression"</span>, package <span class="op">=</span> <span class="st">"slendr"</span><span class="op">)</span><span class="op">)</span></span></span>
<span class="r-in"><span></span></span>
<span class="r-in"><span><span class="co"># load the tree-sequence object from disk</span></span></span>
<span class="r-in"><span><span class="va">ts</span> <span class="op">&lt;-</span> <span class="fu"><a href="ts_read.html">ts_read</a></span><span class="op">(</span><span class="va">slendr_ts</span>, <span cla