  <th>test</th>
      <td><p>testing problem. It admits  "means" if the objective is to test for difference of Means, "medians" for difference of Medians, and "variances" for difference of Variances. In the case the user is interested in testing for difference of medians, the Efron (1992) bootstrap estimator is used to estimate the variances (For further details, see Chung and Romano (2013))</p></td>
    </tr>
    <tr>
      <th>n.perm</th>
      <td><p>Numeric. Number of permutations needed for the stochas