span class="va">wdbc</span><span class="op">)</span></span>
<span class="r-in"><span class="va">wdbc</span> <span class="op">&lt;-</span> <span class="va">wdbc</span><span class="op">[</span><span class="fl">1</span><span class="op">:</span><span class="fl">30</span>, <span class="op">]</span></span>
<span class="r-in"><span class="co"># estimate density</span></span>
<span class="r-in"><span class="va">fit</span> <span class="op">&lt;-</span> <span class="fu"><a href="kdevine.html">kdevine</a></span><span 