ite class="cite">Proceedings
of the Statistical Graphics Section</cite>, American Statistical Association, pp.
61–68. <a class="url" href="http://www.math.yorku.ca/SCS/Papers/asa92.html">http://www.math.yorku.ca/SCS/Papers/asa92.html</a>
</p>
<p>Friendly, M. (2000). <cite class="cite">Visualizing Categorical Data</cite>. SAS Institute,
ISBN 1-58025-660-0.
</p>
<h4 class="subsubheading" id="Examples-25"><span>Examples<a class="copiable-link" href="#Examples-25"> &para;</a></span></h4>

<div class="example"