This is a great article, I particularly like how you admitted your mistakes and then showed the level of analysis it took to understand how to make the data say something honest and useful. Very good work here- compliments for getting a critic to be an ally (the statistics guy).
Interestingly, seems to be old-ish (June '12) according to some of the FB comments dated from then and the time references on the infographics at the bottom.
Those "Tweet This" buttons littering the text are rather distracting.
They forgot that making the front page on HN gives you 100% chance of funding....