 Bl.cromatin    : num  3 3 3 3 3 9 3 3 1 2 ...</span></span>
<span id="cb4-14"><a href="#cb4-14"></a><span class="co">#&gt;  $ Normal.nucleoli: num  1 2 1 7 1 7 1 1 1 1 ...</span></span>
<span id="cb4-15"><a href="#cb4-15"></a><span class="co">#&gt;  $ Mitoses        : num  1 1 1 1 1 1 1 1 5 1 ...</span></span>
<span id="cb4-16"><a href="#cb4-16"></a><span class="co">#&gt;  $ Class          : Factor w/ 2 levels &quot;benign&quot;,&quot;malignant&quot;: 1 1 1 1 1 2 1 1 1 1 ...</span></span></code></pre></div