, "bold")</p></td>
    </tr>
    <tr>
      <th>x_offset</th>
      <td><p>offset values to apply to the x-coordinates</p></td>
    </tr>
    <tr>
      <th>y_offset</th>
      <td><p>offset values to apply to the y-coordinates</p></td>
    </tr>
    <tr>
      <th>legend</th>
      <td><p>either a logical specifying not to plot a legend for this layer (FALSE) or a string indicating the name of the legend entry for this layer (note that when mapping plot attributes to variables in <code>data</code>, a legen