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Non-linear regression function, custom intercept

Oct 26, 2011 at 3:48 PM

I'm looking for a non-linear regression function (polynomial equation) which would calculate a trend/regression on a set of standards vs. actual (see attachment for example), but with the ability to set the intercept to a zero point:


Any help would be appreciated.




Nov 8, 2011 at 6:20 PM


I've just posted some code here, that explains how I solved this problem. Hope it helps.