Updated reusable slopegraph sketch, from my previous slopegraph version
This version allows for multiple sets/columns and will adapted accordingly. Added some interaction to toggle the sets/columns and also toggle highlighted line.
forked from eesur's block: d3 | reusable slopegraph v2
https://d3js.org/d3.v3.min.js
https://cdnjs.cloudflare.com/ajax/libs/lodash.js/3.10.1/lodash.min.js