k-means has enough problems that you (almost) never implement it on its own anyway. If you do, it's generally because you need something now and it's faster th

k-means has enough problems that you (almost) never implement it on its own anyway. If you do, it's generally because you need something now and it's faster than learning how to marshall your data for whatever API you can find on github or sourceforge. Lots of people have to dig into clustering/mining/stats of the data we gather to figure out how to pull money and from whom.