Because D3 is javascript based, the code is already there: view-source:http://luk3thomas.com/labs/gmail-archive-for-2013-20140224.html http://luk3thomas.com/la

Because D3 is javascript based, the code is already there: view-source:http://luk3thomas.com/labs/gmail-archive-for-2013-20140224.html http://luk3thomas.com/labs/gmail-archive-for-2013-20140224.h... Just parse your data to look like his: http://luk3thomas.com/labs/data/2014-02-24-gmail-archive-for-2013/data.csv http://luk3thomas.com/labs/data/2014-02-24-gmail-archive-for...