/p>
<ul>
<li>
<strong>coef</strong>: Extracts the estimated coefficients for each
group.</li>
<li>
<strong>confint</strong>: Provides the confidence intervals for the
parameter estimates.</li>
<li>
<strong>vcov</strong>: Returns the variance-covariance matrix, which
can be used to understand the relationships between the estimates and
their variability.</li>
</ul>
<div class="sourceCode" id="cb11"><pre class="downlit sourceCode r">
<code class="sourceCode R"><span><span class="fu"><a href="https://rdrr.io/r