 the legend (use <code>legend_position = NA</code> to remove legend).</p></td>
    </tr>
    <tr>
      <th>ci_wv</th>
      <td><p>A <code>boolean</code> that determines whether confidence interval polygons will be drawn.</p></td>
    </tr>
    <tr>
      <th>point_cex</th>
      <td><p>A <code>double</code> that specifies the size of each symbol to be plotted.</p></td>
    </tr>
    <tr>
      <th>point_pch</th>
      <td><p>A <code>double</code> that specifies the symbol type to be plotted.</p></td>
    