.io/r/base/matmult.html" class="external-link">%*%</a></span> <span class="va">beta</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="va">n</span><span class="op">)</span><span class="op">)</span></span>
<span class="r-in"><span class="va">res</span> <span class="op">=</span> <span class="fu">univariate_regression</span><span class="op">(</span><span class="va">X</span>,<span class="va">