Calculate mean json with d3.js

Calculate mean json with d3.js

References

Reference NO 1

http://stackoverflow.com/questions/13585967/calculate-mean-json-with-d3-js

Reference NO 2

http://stackoverflow.com/questions/10824949/how-do-you-get-json-data-and-create-a-line-chart-with-d3-js

Reference NO 3

https://github.com/mbostock/d3/wiki/API-Reference

Reference NO 4

https://www.dashingd3js.com/using-json-to-simplify-code

Reference NO 5

http://www.jeromecukier.net/blog/2012/05/28/manipulating-data-like-a-boss-with-d3/

Reference NO 6

http://nickqizhu.github.io/dc.js/

Reference NO 7

http://alignedleft.com/tutorials/d3/data-types

Reference NO 8

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