Stacked and Grouped Bar Chart

Stacked Grouped Bar Chart built using D3.js

Usage

You can modify each group's stacks using innerColumns Object.

var innerColumns = {

  "column1" : ["column_name", "column_name"],

  "column2" : ["column_name"],

  "column3" : ["column_name"]

}

Gist

https://gist.github.com/4629518#file-index-html

Demo

http://bl.ocks.org/4629518