<span class='op'>(</span><span class='op'>)</span>
<span class='op'>)</span></pre>

    <h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a>Arguments</h2>
    <table class="ref-arguments">
    <colgroup><col class="name" /><col class="desc" /></colgroup>
    <tr>
      <th>ids</th>
      <td><p>[<code><a href='https://rdrr.io/r/base/data.frame.html'>data.frame</a></code> or <code>integer</code>]<br />
A <code><a href='https://rdrr.io/r/base/data.frame.html'>data.frame</a></code> (or