For those who care, here's a previous implementation in Python that I've used: http://danieljlewis.org/2010/06/07/jenks-natural-breaks-algorithm-in-python/ http

For those who care, here's a previous implementation in Python that I've used: http://danieljlewis.org/2010/06/07/jenks-natural-breaks-algorithm-in-python/ http://danieljlewis.org/2010/06/07/jenks-natural-breaks-algo...