 toxicity logit model. A number.You should prioritise
specifying this value via <code>priors</code> but this option is provided for
backwards-compatibility.</p></td>
    </tr>
    <tr>
      <th>beta_mean</th>
      <td><p>Optional, the prior normal mean of the slope term in the
toxicity logit model. A number. You should prioritise specifying this
value via <code>priors</code> but this option is provided for
backwards-compatibility.</p></td>
    </tr>
    <tr>
      <th>beta_sd</th>
      <td><p>Optional, t