    <th>addModel</th>
      <td><p>Whether to add the fit model with markers (default=TRUE)</p></td>
    </tr>
    <tr>
      <th>modelSize</th>
      <td><p>Size of model points (default=3)</p></td>
    </tr>
    <tr>
      <th>modelColours</th>
      <td><p>Colour of model fit markers (default="black") as vector
or named vector</p></td>
    </tr>
    <tr>
      <th>modelLineSize</th>
      <td><p>Size of model points (default=1) as vector or named
vector</p></td>
    </tr>
    <tr>
      <th>modelLineColo