re used in the
    calculations.</p></dd>

<dt id="arg--">...<a class="anchor" aria-label="anchor" href="#arg--"></a></dt>
<dd><p>additional arguments passed to <code><a href="marginal_coefs.html">marginal_coefs</a></code>, e.g., <code>cores</code>.</p></dd>

</dl></div>
    <div id="details">
    <h2>Details</h2>
    <p>The confidence interval is calculated based on a normal approximation.</p>
    </div>
    <div id="value">
    <h2>Value</h2>
    <p>The data frame <code>newdata</code> with extra columns <