s="sourceCode r"><code><span class="r-in"><span><span class="va">Y</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">stats</span><span class="fu">::</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">4</span><span class="op">)</span>, nrow <span class="op">=</span> <span class="fl">2