ach<span class="op">=</span><span class="fl">3</span><span class="op">)</span>,</span>
<span>  Rep<span class="op">=</span><span class="fu"><a href="https://rdrr.io/r/base/paste.html" class="external-link">paste0</a></span><span class="op">(</span><span class="st">"rep"</span>, <span class="fu"><a href="https://rdrr.io/r/base/c.html" class="external-link">c</a></span><span class="op">(</span><span class="fl">1</span><span class="op">:</span><span class="fl">3</span><span class="op">)</span><span class="op">