id="cb18-10"><a href="#cb18-10" aria-hidden="true" tabindex="-1"></a><span class="co"> * </span><span class="an">@return</span><span class="co"> Simulated predictor matrix.</span></span>
<span id="cb18-11"><a href="#cb18-11" aria-hidden="true" tabindex="-1"></a><span class="co"> */</span></span>
<span id="cb18-12"><a href="#cb18-12" aria-hidden="true" tabindex="-1"></a><span class="dt">matrix</span> predictors_rng(<span class="dt">int</span> N, <span class="dt">int</span> K) {</span>
<span id="cb18-13"><a h