pan></span>
<span class="r-in"></span>
<span class="r-in"><span class="fu"><a href="https://rdrr.io/r/base/Random.html" class="external-link">set.seed</a></span><span class="op">(</span><span class="fl">123</span><span class="op">)</span></span>
<span class="r-in"><span class="va">n.obs</span>  <span class="op">&lt;-</span> <span class="fl">250</span></span>
<span class="r-in"><span class="va">n.vars</span> <span class="op">&lt;-</span> <span class="fl">15</span></span>
<span class="r-in"><span class="va">x