 argument
    <code>weights</code>. Ignored if <code>method</code> is <code>"predictive"</code>.</p></td>
    </tr>
    <tr>
      <th>quiet</th>
      <td><p>logical; suppress messages due to removal of species with
    no data.</p></td>
    </tr>
    <tr>
      <th>...</th>
      <td><p>additional arguments to be passed to lower level methods.</p></td>
    </tr>
    </table>

    <h2 class="hasAnchor" id="details"><a class="anchor" href="#details"></a>Details</h2>

    <p><code>coca</code> is the main use