This is great stuff. It's how all code and data research should be presented, where the document is the program and you can reproduce it as easily as you can read it. After years of using Pure Data (a visual dataflow) whose unofficial motto was "The diagram is the program" I got this philosophy stuck deep in my brain. Today I use Org-Mode (In Emacs) for tangling (with something called Babel) that can run source code from many languages as part of an active document.