e> </p>
        </td>
        <td><p>Prints <code>summary</code> and <code>sink</code> Output in a File</p></td>
      </tr><tr><td>
          <p><code><a href="vcov.html">vcov(<i>&lt;din&gt;</i>)</a></code> <code><a href="vcov.html">confint(<i>&lt;din&gt;</i>)</a></code> <code><a href="vcov.html">IRT.se()</a></code> </p>
        </td>
        <td><p>Asymptotic Covariance Matrix, Standard Errors and Confidence Intervals</p></td>
      </tr><tr><td>
          <p><code><a href="WaldTest.html">WaldTest()</a></