<span><span class="va">W</span> <span class="op">&lt;-</span> <span class="fu"><a href="https://rdrr.io/r/base/matrix.html" class="external-link">matrix</a></span><span class="op">(</span><span class="fu"><a href="https://rdrr.io/r/stats/Normal.html" class="external-link">rnorm</a></span><span class="op">(</span><span class="fl">100000</span><span class="op">)</span>,nrow<span class="op">=</span><span class="fl">1000</span><span class="op">)</span></span>
<span><span class="va">set1</span> <span class="op">