Message-ID: <3A822319EB35174CA3714066D590DCD50994E88F@usrymx25.merck.com>
Date: 2005-03-18T13:56:38Z
From: Liaw, Andy
Subject: Non linear modeling
AFAIK most model fitting techniques will only deal with additive errors, not
multiplicative ones. You might want to try fitting:
log(y-x) = a*x + e
which is linear.
Andy
> From: Angelo Secchi
>
> Hi,
> is there a way in R to fit a non linear model like
>
> y=x+exp(a*x)*eps
>
> where a is the parameter and eps is the error term?
> Thanks
> Angelo
>
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