ss="va">model</span><span class="op">)</span> <span class="op"><a href="pipe.html">%&gt;%</a></span> <span class="fu"><a href="ts_mutate.html">ts_mutate</a></span><span class="op">(</span>mutation_rate <span class="op">=</span> <span class="fl">1e-8</span>, random_seed <span class="op">=</span> <span class="fl">42</span><span class="op">)</span></span></span>
<span class="r-in"><span></span></span>
<span class="r-in"><span><span class="co"># compute F_st between two sets of individuals in a given tree seque