="fl">2</span>,</span>
<span>    <span class="va">simmr_in</span><span class="op">$</span><span class="va">n_tracers</span><span class="op">)</span><span class="op">)</span>,</span>
<span>  mcmc_control <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/list.html" class="external-link">list</a></span><span class="op">(</span>iter <span class="op">=</span> <span class="fl">10000</span>, burn <span class="op">=</span> <span class="fl">1000</span>, thin <span class="op">=</span> <span c