Correlation and causation
“…the difference between correlation and causation does not matter if you have enough data” is complete nonsense but I still hear this assertion, even when the phrase “While correlation doesn’t mean causation…” is tossed in. . The mix-up between correlation and causation came to my attention vividly many years ago in the context of what I would call political epidemiology. The distinction is also something statisticians learn in the classroom (or should), and is relevant with data of all volumes, velocities and varieties. . Big Data actually can be [READ MORE]