ates</span></span></span>
<span class="r-in"><span><span class="va">presetV</span> <span class="op">&lt;-</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="st">"top"</span>,</span></span>
<span class="r-in"><span>   <span class="st">"bottom"</span>,</span></span>
<span class="r-in"><span>   <span class="st">"left"</span>,</span></span>
<span class="r-in"><span>   <span class="st">"right"</span>,</span></span>
<span class="