<td><p>A numeric matrix of coefficients. The rows index the
genes and the columns index the variables.</p></td>
    </tr>
    <tr>
      <th>dispvec</th>
      <td><p>A vector of negative binomial dispersion parameters.
Element i is the dispersion for gene i.</p></td>
    </tr>
    <tr>
      <th>design_sv</th>
      <td><p>A numeric design matrix for the surrogate variables.
The rows index the samples and the columns index the surrogate
variables.</p></td>
    </tr>
    <tr>
      <th>coef_sv</th>
      <t