What's the difference between the coefficient of determination and the coefficient of correlation?
Coefficient of determination | Coefficient of correlation |
Coefficient of determination is a statistical measure of how well the regression line approximates the real data points. | Coefficient of correaltion is a measure of the strength and direction of the linear relationship between two variables. |
It is represented as R2 . | Pearson product-moment correlation coefficient, represented as r, R. |
It measures explained variation. | It measures linear relationship between two variables. |
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