d a dashed line with the overall mean.</p></dd>


<dt>type</dt>
<dd><p>A string for whether it should make a linegraph ("line", default) or a bargraph ("bar")</p></dd>

</dl></div>
    <div id="value">
    <h2>Value</h2>
    

<p>A ggplot object. Also prints the graph to the Plots panel.</p>
    </div>

    <div id="ref-examples">
    <h2>Examples</h2>
    <div class="sourceCode"><pre class="sourceCode r"><code><span class="r-in"><span><span class="va">data</span> <span class="op">=</span> <span class="fu">