data visualization

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I am new to D3, and struggled a bit trying to figure out how to use external data source obtained through HTTP REST call as my data source. If you don’t know what I mean by HTTP REST call, it’s basically calling a URL that would return JSON data. If you are not familiar with D3,  this tutorial by Scott Murray is a required reading. After you are done reading that, read this manual by the author of d3 himself.  In a nutshell: No, you don’t need jquery library. D3 itself is enough. HTTP calls are asynchronous in d3. If …

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