I\'m trying to find a way to graph something like this in R:
It is a tr
Very old post but part of the issue is terminology. Once you know what to call something it is much easier to figure out how to represent the data. These charts are Sankey Diagrams
I personally like Mike Bostock's D3js library to make these diagrams but R can do them as well.
To do this in R see this Stack Post or R-Blogger post