Logarithmic Regression: Different correlation from 3 different calculators

06092015, 07:36 PM
(This post was last modified: 06092015 07:38 PM by CR Haeger.)
Post: #2




RE: Logarithmic Regression: Different correlation from 3 different calculators
I wonder if your r and r^2 values change slightly if you run the regression on normalized X, Y data?
Also, I think that calculating r for non linear regressions may require separate calculations of SSE and SST, then using r = sqrt(1  SSE/SST) . 

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