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Scatter Plot with Menus and Categorical Color Coding

floresh

Last edited Apr 03, 2019
Created on Oct 09, 2018

This example forks the cars scatter plot with menus exercise and adds a menu for color coding. In this case some categories were too large to properly display a legend and meaningful colors (e.g. name). So I've limited the legend to categories with less than 12 different values.

If the category has more than 10 values and is a numeric ordinal value, I opted to display a color scale of 15 values from the bottom of the scale to the top. In this case, clicking on a single color value to filter the points is not useful. It would be better to provide a sliding filter. But for categories with less than 12 values, it's still a useful interaction.

MIT Licensed