The parallel coordinate plot is designed to view multidimensional data. Each variable (up to 8 here) is standardized to [0,1] and then plotted as several side-by-side dotplots. Lines connect each case in one variable (or dotplot) to it’s corresponding case in every other variable.
In the past few years, this plot has become quite popular. A fascinating spirograph-like patterns appear if you plot two sorted random normals (one sorted ascending and one descending) or Cauchy. Note: You can generate Cauchy by taking a Normal(0, 1) divided by another Normal(0, 1).
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