Non-linear regression function, custom intercept

Oct 26, 2011 at 4:48 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.

Thanks!

 

 


Nov 8, 2011 at 7:20 PM

Hi,

I've just posted some code here, http://sharpstatistics.co.uk/stats/forcing-a-regression/ that explains how I solved this problem. Hope it helps.

George