"><a class="anchor" href="#arguments"></a>Arguments</h2>
    <table class="ref-arguments">
    <colgroup><col class="name" /><col class="desc" /></colgroup>
    <tr>
      <th>data</th>
      <td><p>Object to manipulate.</p></td>
    </tr>
    <tr>
      <th>expr</th>
      <td><p>Expression to perform on elements of <code>data</code> for which
<code>condition == TRUE</code>.</p></td>
    </tr>
    <tr>
      <th>condition</th>
      <td><p>Expression that returns a logical vector when evaluated in
the envi