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08-06-2013, 08:25 AM
  #90
Master_Of_Districts
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Quote:
Originally Posted by Trainspotter View Post
What's a "strong correlation" to you? The correlation of Fenwick/20 to Goals-For/20 hovers around 50%. More importantly, Fenwick has nothing like a "strong" correlation to regulation points over one season. An r^2 of 0.3 (i.e. correlates 30% of the time) is not strong unless you're desperate to sell your "advanced" model to the world. (http://hockeyanalysis.com/2013/02/27...d-sample-size/)

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You know, there are often telltale signs that a person has no fundamental understanding of statistics.

Use of the phrase "correlates 30% of the time" - especially in relation to an r^2 value, which, of course, describes variance, and not the correlation between two variables - is one of them.

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