p_e</th>
      <td><p>Certainty required to infer a dose is acceptable with regards to
being probably efficacious; a number between 0 and 1.</p></td>
    </tr>
    <tr>
      <th>p_t</th>
      <td><p>Certainty required to infer a dose is acceptable with regards to
being probably tolerable; a number between 0 and 1.</p></td>
    </tr>
    <tr>
      <th>eff0</th>
      <td><p>Efficacy probability required when toxicity is impossible;
a number between 0 and 1 (see Details).</p></td>
    </tr>
    <tr>
      