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r = 1 for a perfect fit and a positive slope. r = -1 for a perfect fit and a negative slope.

Correlation coefficient. n is the number of points. r = 1 for a perfect fit and a positive slope. r = -1 for a perfect fit and a negative slope. r = 0 for no correlation between x and y. Using r 2 and comparing it to 1 is a more usual convention.

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r = 1 for a perfect fit and a positive slope. r = -1 for a perfect fit and a negative slope.

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  1. Correlation coefficient n is the number of points r = 1 for a perfect fit and a positive slope. r = -1 for a perfect fit and a negative slope. r = 0 for no correlation between x and y. Using r2 and comparing it to 1 is a more usual convention. Chapter 4.3: Linear Regression

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