Quote:
Originally Posted by edslunch
Perfect correlation is r-squared = 1.0. The various flavours of Corsi and Fenwick are between 0.25 and 0.3 - correlated but not what I would term strongly correlated.
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To put it more strongly, within the scale we typically refer to the 0.25-0.3 range as no or very weak correlation. And we're not even given a confidence interval, which I suspect is large. So it's fine if people want to use these numbers, as long as they realize that the basis is flimsy.
And more importantly:
