 for the class centroids</p></li>
<li><p>Boxes reflecting the standard deviations within each class; a box
encompasses +/- 64 percent of the observations in a normal distribution</p></li>
<li><p>Raw data, whose transparency is weighted by the posterior class
probability, such that each observation is most clearly visible for the class
it is most likely to be a member of.</p></li>
</ol></div>

    <div id="ref-usage">
    <div class="sourceCode"><pre class="sourceCode r"><code><span><span class="fu">plot_pro