transform to copula data (margins are uniform)</span></span>
<span class="r-in"><span class="va">u</span> <span class="op">&lt;-</span> <span class="fu">VineCopula</span><span class="fu">::</span><span class="fu"><a href="https://rdrr.io/pkg/VineCopula/man/pobs.html" class="external-link">pobs</a></span><span class="op">(</span><span class="va">wdbc</span><span class="op">[</span>, <span class="fl">5</span><span class="op">:</span><span class="fl">7</span><span class="op">]</span>, ties <span class="op">=</