tems and the first column filled</span></span>
<span id="cb18-4"><a href="#cb18-4" aria-hidden="true" tabindex="-1"></a><span class="co"> * with the value 1 to represent the intercept and the</span></span>
<span id="cb18-5"><a href="#cb18-5" aria-hidden="true" tabindex="-1"></a><span class="co"> * remaining columns randomly filled with unit-normal draws.</span></span>
<span id="cb18-6"><a href="#cb18-6" aria-hidden="true" tabindex="-1"></a><span class="co"> *</span></span>
<span id="cb18-7"><a href="#cb18-7