lass="ot">&lt;-</span> <span class="dv">200</span></span>
<span id="cb1-4"><a href="#cb1-4" aria-hidden="true" tabindex="-1"></a>p <span class="ot">&lt;-</span> <span class="dv">20</span></span>
<span id="cb1-5"><a href="#cb1-5" aria-hidden="true" tabindex="-1"></a>X <span class="ot">&lt;-</span> <span class="fu">matrix</span>(<span class="fu">rnorm</span>(n <span class="sc">*</span> p), <span class="at">ncol =</span> p)</span>
<span id="cb1-6"><a href="#cb1-6" aria-hidden="true" tabindex="-1"></a><span cla