A violin plot is a visual that traditionally combines a box plot and a kernel density plot.

A box plot lets you see basic distribution information about your data, such as median, mean, range and quartiles but doesn't show you how your data looks throughout its range. If you have a multimodal distribution (multiple peaks) or some confusion as to where things are clustered then it's not easy to figure this out.

A kernel density plot helps with this challenge by showing the variations in your data across its distribution. It works like a histogram, but uses kernel smoothing to provide a smoother curve where noise might otherwise be present.

This visual provides you with the ability to make these violin plots, with the option of displaying an accompanying combo plot (either a box plot, barcode plot or column plot).

Features include:

Split and color by categories

4 different kernels

Sampling resolution

Estimated/manual KDE bandwidth, configurable by category

Customizable combo plot (box, barcode or column)

Please refer to the example .pbix file, or the wiki at http://bit.ly/violin-plot for more details.

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What's new in 1.3.0:

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Revised legend

Additional column (min/max) combo plot

Option to clamp the plot to min/max values

Start and End values for the y-axis

Addition of the # Samples with Highlighted Value on the barcode combo plot default tooltip

Violin stroke width can be set to 0

Changes are document more fully at http://bit.ly/violin-1_3

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What's new in 1.2.0:

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Added 'show data' hotkey (Alt + Shift + F11) accessibility support

Locale awareness for measures and Y-axis

Improved tooltip functionality, including report page tooltips and recently introduced tooltip formatting changes

Bug fixes

More detailed release notes can be viewed at https://bit.ly/2CpYv8w

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What's new in 1.1.0:

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Added barcode plot as an alternative to box plot

KDE bandwidth can be applied by category, rather than uniformly

Minor bug fixes

Violin Plot

by Daniel Marsh-Patrick