.sx2()</a></code> <code><a href="itemfit.sx2.html">summary(<i>&lt;itemfit.sx2&gt;</i>)</a></code> <code><a href="itemfit.sx2.html">plot(<i>&lt;itemfit.sx2&gt;</i>)</a></code> </p>
        </td>
        <td><p>S-X2 Item Fit Statistic for Dichotomous Data</p></td>
      </tr><tr><td>
          <p><code><a href="item_by_group.html">item_by_group()</a></code> </p>
        </td>
        <td><p>Create Dataset with Group-Specific Items</p></td>
      </tr><tr><td>
          <p><code><a href="logLik.html">logLik(<i