rogram that allows an assessment of the number of observations in each cluster as well as the relationship between successive clustering steps.</p>
</div>
</div>
</div>
</div>
<div class="section level1">
<h1 id="related-work">Related work<a class="anchor" aria-label="anchor" href="#related-work"></a>
</h1>
<p>Parallel coordinate plots have been implemented in analysis software since the mid 1980s (Inselberg 1985, Wegman 1990). Several packages in R are dedicated to visualizing parallel coordinate plots.</p