<span id="cb3-1"><a href="#cb3-1"></a><span class="kw">data</span>(<span class="st">&quot;BreastCancer&quot;</span>, <span class="dt">package =</span> <span class="st">&quot;mlbench&quot;</span>)</span>
<span id="cb3-2"><a href="#cb3-2"></a><span class="co">#Use complete cases of breast cancer</span></span>
<span id="cb3-3"><a href="#cb3-3"></a>breast &lt;-<span class="st"> </span>BreastCancer[<span class="kw">complete.cases</span>(BreastCancer), ] <span class="co">#Create a copy</span></span>
<span id="cb3