Dear all, I have been trying to find a simple solution to my problem without success, though i have a feeling a simple syntaxe detail coul make the job.
I am doing a polynomial linear regression with 2 independent variables such as : lm(A ~ B + I(B^2) + I(lB^3) + C, data=Dataset)) R return me a coefficient per independent variable, and I would need the coefficient of the C parameter to equal 1. I've been loonking at "parameter constraints" on the internet but it's always much more complicated that just "removing" the fit of a coefficient (or setting it to 1). I know many package allows to "not fit" an intercept with a "-1" parameter in the syntaxe, does that exists for independent variables ? Regards, [[alternative HTML version deleted]]
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