Here's an example https://observablehq.com/@jonhelfman/plot-violin-chart-with-facet https://observablehq.com/@jonhelfman/plot-violin-chart-with-... We don't ha

Here's an example https://observablehq.com/@jonhelfman/plot-violin-chart-with-facet https://observablehq.com/@jonhelfman/plot-violin-chart-with-... We don't have a good KDE built-in yet, but you could upvote https://github.com/observablehq/plot/issues/1469 https://github.com/observablehq/plot/issues/1469