    <tr>
      <th>x</th>
      <td><p>an object of class <code>"gencovtest"</code>.</p></td>
    </tr>
    <tr>
      <th>digits</th>
      <td><p>the number of digits to be displayed by the print method.</p></td>
    </tr>
    <tr>
      <th>var1</th>
      <td><p>a character of integer indicating one of the two response variable or its position.</p></td>
    </tr>
    <tr>
      <th>var2</th>
      <td><p>a character of integer indicating one of the two response variable or its position.</p