logical</p></td>
    </tr>
    <tr>
      <th>...</th>
      <td><p>arguments passed to downstream functions, e.g. <code>warn = TRUE</code></p></td>
    </tr>
    <tr>
      <th>age_y</th>
      <td><p>numeric vector, age(s) in years. Extremely exact age is not
required, so for age in days or months, simplest just to divide. This is
not used in the calculation itself, so may be missing.</p></td>
    </tr>
    </table>
    
    <h2 class="hasAnchor" id="value"><a class="anchor" href="#value"></a>Value</h2>

