lass="name" /><col class="desc" /></colgroup>
    <tr>
      <th>varlvls</th>
      <td><p>a vector containing the number of levels of each variable</p></td>
    </tr>
    <tr>
      <th>facets</th>
      <td><p>the facets generating the hierarchical model, a list of vectors
of variable indices</p></td>
    </tr>
    <tr>
      <th>dir</th>
      <td><p>Directory to place the files in, without an ending /</p></td>
    </tr>
    <tr>
      <th>quiet</th>
      <td><p>If FALSE, messages the 4ti2 output</p></t