Cool. BTW, as a side note. I think a great idea for a data course would be Learn to make http://xkcd.com/980/ http://xkcd.com/980/ as its starting point. Whe

Cool. BTW, as a side note. I think a great idea for a data course would be Learn to make http://xkcd.com/980/ http://xkcd.com/980/ as its starting point. Where does he get this data. How does he work with it. Why is it represented like this.