he <code>GGally</code> package, for categorical variables the <code>ggparallel</code> package provides an implementation of PCP-like plots, such as the Hammock plot (Schonlau 2003) and parsets (Kosara et al, 2013).</p>
<p>The <a href="https://github.com/rstats-gsoc/gsoc2017/wiki/bigPint%3A-Big-multivariate-data-plotted-interactively" class="external-link">bigPint</a> Google Summer of Code project 2017 implemented static and interactive versions of parallel coordinate plots within the framework of plotting l