> <span class="st">"polynomial"</span>,
                   <span class="dt">degree_range =</span> <span class="kw">c</span>(2L, 4L),
                   <span class="dt">n_folds =</span> <span class="dv">3</span>,
                   <span class="dt">kappa =</span> <span class="dv">5</span>,
                   <span class="dt">init_points =</span> <span class="dv">4</span>,
                   <span class="dt">n_iter =</span> <span class="dv">5</span>)</code></pre></div>
</div>
</div>
<div id="random-forest" c