r/base/nrow.html" class="external-link">ncol</a></span><span class="op">(</span><span class="va">design_perm</span><span class="op">)</span>, sd <span class="op">=</span> <span class="fl">6</span><span class="op">)</span>, nrow <span class="op">=</span> <span class="va">p</span><span class="op">)</span></span></span>
<span class="r-in"><span><span class="va">design_obs</span>  <span class="op">&lt;-</span> <span class="fu"><a href="https://rdrr.io/r/base/matrix.html" class="external-link">matrix</a></span><