tic approximation of the p-values. The default is n.perm=499.</p></td>
    </tr>
    <tr>
      <th>na.action</th>
      <td><p>a function to filter missing data. This is applied to the model.frame . The default is na.omit, which deletes observations that contain one or more missing values.</p></td>
    </tr>
    </table>
    
    <h2 class="hasAnchor" id="value"><a class="anchor" href="#value"></a>Value</h2>

    <p>An object of class "RPT" is a list containing at least the following components:</p>
<dt>de