"Correlation is not causation." Is that a true statement?
Edward R. Tufte says, "In fact, probably the shortest true statement that can be made about causality and correlation is "Empirically observed covariance is a necessary but not sufficient condition for causality."
Edward R. Tufte, "The Cognitive Style of PowerPoint: Pitching Out Corrupts Within," second edition, January 2006.
Glenn A Knight
Sunday, April 24, 2011
Correlation is not causation. Really?
Labels:
logic,
PowerPoint,
propaganda,
quantitative analysis,
statistics
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2 comments:
Why not use "correlation" instead of "empirically observed covariance"? It means the same, doesn't it? And it would reduce the number of words by two.
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