
<span><span class="co"># forcing input</span></span>
<span><span class="va">u</span> <span class="op">=</span> <span class="va">u.sim</span><span class="op">[</span><span class="va">ids</span><span class="op">]</span></span>
<span></span>
<span><span class="co"># Create data</span></span>
<span><span class="va">.data</span> <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/data.frame.html" class="external-link">data.frame</a></span><span class="op">(</span></span>
<span>  t <span c