
    <p>Note that for x variables that are factors, the levels shown on the
x-axis will be in the order that the levels are ordered in the dataframe.
This can be adjusted by reordering the levels of the factor before the model
is fit.</p>
    </div>

    <div id="ref-examples">
    <h2>Examples</h2>
    <div class="sourceCode"><pre class="sourceCode r"><code><span class="r-in"></span>
<span class="r-in"><span class="co"># Fit a model to the penguin data</span></span>
<span class="r-in"><span class="va">peng