for the response</p></td>
    </tr>
    <tr>
      <th>myLegend</th>
      <td><p>Vector of strings with the names of the variables</p></td>
    </tr>
    <tr>
      <th>fileName</th>
      <td><p>If <code>savePNG</code> is TRUE, this is the string containing the
name of the output file. Can be used to specify the folder path too. Default
is "posteriorSimilarityMatrix". The extension ".png" is automatically added
to this string.</p></td>
    </tr>
    <tr>
      <th>savePNG</th>
      <td><p>Boolean: if TRU