 to tetrachoric correlations as suggested by Digby (1983).</p></li>
</ul></div>
    <div id="value">
    <h2>Value</h2>
    <p>A vector with the transformed values.</p>
    </div>
    <div id="note">
    <h2>Note</h2>
    <p>The integral transformation method for a transformation function <em></em>\(h(z)\) is given by \[\int_{\text{lower}}^{\text{upper}} h(z) f(z) dz\] using the limits <code>targs$lower</code> and <code>targs$upper</code>, where <em></em>\(f(z)\) is the density of a normal distribution with