 <span class="ot">TRUE</span>, <span class="dt">verbose =</span> <span class="dv">0</span>)
  <span class="kw">list</span>(<span class="dt">Score =</span> cv<span class="op">$</span>evaluation_log<span class="op">$</span>test_auc_mean[cv<span class="op">$</span>best_iteration],
       <span class="dt">Pred =</span> cv<span class="op">$</span>pred)
}
OPT_Res &lt;-<span class="st"> </span><span class="kw">BayesianOptimization</span>(xgb_cv_bayes,
                                <span class="dt">bounds =</span