tiny JS discretization library for choropleth representation

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I would like to know if a tiny stat/discretization js library ready to use exists.

I do know about the existence of jStat (which I may explore a little bit more thoroughly), and I know that mapfish has a geostats module/widget to create choropleth map - I found the code here. But it relies on openlayers and I would like to have a standalone lib and eventually be free to communicate with openlayers.

I would like to have few basics methods:

• min
• max
• mean
• median

and be able to implement the following discretization with the ability to specify the number of classes and the precision (decimal):

• Quantile
• Equal Interval
• Natural Breaks (Jenks)

If it does not exist yet, I will probably code something myself and release it on github under free license. Any resource and advice is welcome.



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