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Math Help - Regression and correlation coefficient

  1. #1
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    Regression and correlation coefficient

    Hello
    I need to fit experimental data to mathematical models. The data fitted to these models had correlation (R) and regresion (R2) coefficients. What coefficient (R or R2) can i used to know which it is the best model?
    Thanks!!
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  2. #2
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    Re: Regression and correlation coefficient

    Either. Given R, you can find R^2, and vice versa (given that you know whether the slope is positive or negative).
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