A data frame</p></td>
    </tr>
    <tr>
      <th>rows</th>
      <td><p>A list of character vectors, defining the new row grouping</p></td>
    </tr>
    <tr>
      <th>cols</th>
      <td><p>A character vector, defining the new columns</p></td>
    </tr>
    </table>

    <h2 class="hasAnchor" id="value"><a class="anchor" href="#value"></a>Value</h2>

    <p>A pivoted data frame with the new grouping</p>
    <h2 class="hasAnchor" id="details"><a class="anchor" href="#details"></a>Details</h2>

    <p>To 