;</i>)</a></code> <code><a href="IRT.jackknife.html">vcov(<i>&lt;IRT.jackknife&gt;</i>)</a></code> </p>
        </td>
        <td><p>Jackknifing an Item Response Model</p></td>
      </tr><tr><td>
          <p><code><a href="IRT.likelihood.html">IRT.likelihood()</a></code> <code><a href="IRT.likelihood.html">IRT.posterior()</a></code> </p>
        </td>
        <td><p>S3 Methods for Extracting of the Individual Likelihood and the Individual Posterior</p></td>
      </tr><tr><td>
          <p><code><a href="