d>
          <p><code><a href="group_by.html">group_by()</a></code> <code><a href="group_by.html">ungroup()</a></code> </p>
        </td>
        <td><p>Grouping</p></td>
      </tr><tr><td>
          <p><code><a href="group_cols.html">group_cols()</a></code> </p>
        </td>
        <td><p>Selection helper for grouping columns</p></td>
      </tr><tr><td>
          <p><code><a href="group_vars.html">group_vars()</a></code> </p>
        </td>
        <td><p>Get the grouping variables</p></td>
      </tr><