Stop misusing the phrase "correlation does not imply causation". > While it is not the case that correlation is causation, simply stating their nonequivalence

Stop misusing the phrase "correlation does not imply causation". > While it is not the case that correlation is causation, simply stating their nonequivalence omits information about their relationship. Tufte suggests that the shortest true statement that can be made about causality and correlation is one of the following: > "Empirically observed covariation is a necessary but not sufficient condition for causality." > "Correlation is not causation but it sure is a hint."