del.html">read_model</a></span><span class="op">(</span>path <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/system.file.html" class="external-link">system.file</a></span><span class="op">(</span><span class="st">"extdata/models/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-sequ