ss="r-in"><span>                     balance <span class="op">=</span> <span class="cn">FALSE</span><span class="op">)</span></span></span>
<span class="r-in"><span><span class="va">train_data</span> <span class="op">&lt;-</span></span></span>
<span class="r-in"><span>  <span class="fu"><a href="prepare_data.html">prepare_data</a></span><span class="op">(</span><span class="va">split_data</span><span class="op">$</span><span class="va">train</span>,</span></span>
<span class="r-in"><span>               <