</dd>
      </dl><dl><dt>

          <code><a href="step2.html">step2()</a></code>

        </dt>
        <dd>Heckman's Two-Step Method</dd>
      </dl><dl><dt>

          <code><a href="summary.HeckmanBS.html">summary(<i>&lt;HeckmanBS&gt;</i>)</a></code>

        </dt>
        <dd>Summary of Birnbaum-Saunders Heckman Model</dd>
      </dl><dl><dt>

          <code><a href="summary.HeckmanCL.html">summary(<i>&lt;HeckmanCL&gt;</i>)</a></code>

        </dt>
        <dd>Summary of Classic Heckman Model</dd>
 