fu">paste0</span>(<span class="st">&quot;Xadd&quot;</span>, <span class="dv">1</span><span class="sc">:</span><span class="dv">5</span>)</span>
<span id="cb6-9"><a href="#cb6-9" aria-hidden="true" tabindex="-1"></a>y <span class="ot">&lt;-</span> <span class="fl">0.2</span> <span class="sc">*</span> <span class="fu">rowSums</span>(X[, <span class="dv">1000</span> <span class="sc">*</span> (<span class="dv">1</span><span class="sc">:</span><span class="dv">10</span>)]) <span class="sc">+</span> Xadd[, <span 