lete</dt>
<dd><p>If <code>TRUE</code>, the default, the returned coefficient vector (for <code><a href="https://rdrr.io/r/stats/coef.html" class="external-link">coef()</a></code>) or coefficient-covariance matrix (for <code>vcov</code>) includes elements for aliased regressors.</p></dd>


<dt>...</dt>
<dd><p>arguments to pass down.</p></dd>


<dt>parm</dt>
<dd><p>parameters for which confidence intervals are to be computed; a vector or numbers or names; the default is all parameters.</p></dd>


<dt>level</d