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Sankey diagram from formatted JSON

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This is a simple sankey diagram used as an example in the book D3 Tips and Tricks.

It demonstrates the construction of a sankey diagram using d3.js from external JSON data using the sankey.js plugin. It should be taken in context with the text of the book which can be downloaded for free from Leanpub.

index.html

sankey-formatted.json

sankey.js