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RE: st: RE: Michaelis-Menten and regression


From   "Nick Cox" <n.j.cox@durham.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   RE: st: RE: Michaelis-Menten and regression
Date   Tue, 28 Sep 2004 09:49:42 +0100

With this memory, the advice can now be graded 
gamma-plus. 

Nick 
n.j.cox@durham.ac.uk 

Roger Newson
 
> Nick's guess re Nelder recommending a gamma family is 
> probably right. I 
> recall that he recommended it (together with an inverse link) in a 
> conversation I remember from my days at Rothamsted about 
> Michaelis-Menten functions.

Nick Cox wrote (in reply to Simon Moore):
 
> >In Stata terms
> >
> >. gen rec_x = 1 / x
> >. glm y rec_x, link(power -1)
> >
> >Of course, all this is just algebra with the
> >deterministic curve and says
> >nothing about error structure.
> >
> >Nelder I guess recommends using a gamma
> >family.

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