"op">)</span></span></span>
<span class="r-in"><span></span></span>
<span class="r-in"><span><span class="co"># Add a learner (machine learning model base)</span></span></span>
<span class="r-in"><span><span class="co"># Here we use random forest for example (you can use any other available model)</span></span></span>
<span class="r-in"><span><span class="va">mylrn</span> <span class="op">&lt;-</span> <span class="fu">mlr3</span><span class="fu">::</span><span class="fu"><a href="https://mlr3.mlr-org.co