Very interesting (to me at least) hack to check what happens when you approximate an infrequent process, to a periodic one. Click on the image to find out more.
AUC Histogram
Check out the Ipython Notebook for this hack http://nbviewer.ipython.org/5845621
Vukosi, I am enjoying this hack, because playing it is engaging my learning more about the scipy api. For you this may be amusing play, but for others like myself, it is like following a teacher. Funny how human progress is made! Thanks for posting.