 <span class="op">&lt;-</span> <span class="fu"><a href="kdevinecop.html">kdevinecop</a></span><span class="op">(</span><span class="va">u</span><span class="op">)</span>                <span class="co"># estimate density</span></span>
<span class="r-in"><span class="fu">dkdevinecop</span><span class="op">(</span><span class="fu"><a href="https://rdrr.io/r/base/c.html" class="external-link">c</a></span><span class="op">(</span><span class="fl">0.1</span>, <span class="fl">0.1</span>, <span class="fl">0.1</s