an>
<span class="r-in"><span>  sample <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">25</span>, max_gd <span class="op">=</span> <span class="fl">2</span><span class="op">)</span><span class="op">)</span>, verbose <span class="op">=</span> <span class="cn">FALSE</span>, particle_factor <span class="op">=</span> <span class="fl">30</span>, step_size <span class=