r-in"><span>                      <span class="va">ntrees</span> <span class="op">=</span> <span class="fl">35</span>,</span></span>
<span class="r-in"><span>                      <span class="va">shrinkage</span> <span class="op">=</span> <span class="fl">0.3</span>,</span></span>
<span class="r-in"><span>                      <span class="va">max_depth</span> <span class="op">=</span> <span class="fl">5</span>,</span></span>
<span class="r-in"><span>                      <span class="va">...</span><span c