an class="fu"><a href="https://rdrr.io/r/base/names.html" class="external-link">names</a></span><span class="op">(</span><span class="va">selection</span><span class="op">@</span><span class="va">group</span><span class="op">)</span> <span class="op">&lt;-</span> <span class="va">selection</span><span class="op">@</span><span class="va">name</span></span>
<span><span class="va">selection</span><span class="op">@</span><span class="va">group</span><span class="op">[</span><span class="va">selection</span><sp