From the course: Visualizing Advanced Charts and Graphs
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Parallel coordinates plots: What, when, why, and how
From the course: Visualizing Advanced Charts and Graphs
Parallel coordinates plots: What, when, why, and how
When discussing comparison charts, we covered alluvial diagrams and parallel sets. Parallel coordinates plots are close cousins to these, but focus primarily on showing the relationship between data sets, with value comparisons being a secondary and less important feature of these visualizations. To show you what I mean, check out this parallel coordinate plot comparing all 30 teams in the NBA across 5 different categories – win percentage, field goal percentage, 3-point percentage, average rebounds per game, and average assists per game. Despite the fact that 3 out of the 5 categories are percentage-based, we can see that each y-axis remains the same height and simply uses its own scale. This is an important feature of parallel coordinate plots. Each axis may have a different scale, with each variable working off of different units of measurement. But the scales remain uniform to make it easier to read one team line at a time. Now rearranging these axes won't change the story being…
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