Data does not lie. Or does it?
Do you recall Beer and Nappies? … I never get tired of this legend, “diapers and beer”. Wal-Mart discovered through data mining that the sales of diapers and beer were correlated on Friday nights. It determined that the correlation was based on working men who had been asked to pick up diapers on their way home from work. wow. this is just a drop in the ocean of success stories about data. it is no more a