graphs

Displaying two sets of data on a graph can be confusing to the viewer. Depending on the situation, it might be better to have two graphs linked together to help clarify. Here's an example of two graphs on one chart: [http://res.cloudinary.com/dwjudge/image/upload/v1408313314/9-4-2012-9-20-24-am_k3nnhd.…