p>A phylogeny (class 'multiPhylo', see ?<code>ape</code>).</p></td>
    </tr>
    <tr>
      <th>n.tree</th>
      <td><p>Number of times to repeat the analysis with n different trees picked 
randomly in the multiPhylo file.
If NULL, <code>n.tree</code> = 2</p></td>
    </tr>
    <tr>
      <th>btol</th>
      <td><p>Bound on searching space. For details see <code>phyloglm</code>.</p></td>
    </tr>
    <tr>
      <th>track</th>
      <td><p>Print a report tracking function progress (default = TRUE)</p></td