d><p>The number of boot replicates for variance estimation: (only
required in the function <code>multilevelGPSStratification</code>)</p></td>
    </tr>
    </table>
    
    <h2 class="hasAnchor" id="value"><a class="anchor" href="#value"></a>Value</h2>

    <p>A list with two elements,
  <code>tauestimate</code>, <code>varestimate</code>, where <code>tauestimate</code> is a
  vector of estimates for pairwise treatment effects, and <code>varestimate</code>
  is a vector of variance estimates, using bootstra