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st: beta response modelling [was: RE: RE: crudity]

From   "Nick Cox" <>
To   <>
Subject   st: beta response modelling [was: RE: RE: crudity]
Date   Tue, 12 Oct 2004 16:32:26 +0100

-betafit- allows each of two parameters to depend on covariates, 

. ssc type betafit.hlp 

will indicate. Its parameterisation of the beta distribution 
is what I sense is conventional in the literature. 

Credit where credit is due: although the presentation of 
-betafit- is my responsibility, most of the code is a 
straight borrowing from something else by Stephen Jenkins. 


> Nick- 
> Without having seen the code for -betafit- I can make a very 
> educated guess
> that mine is the most crude. Does -betafit- allow expreesion of both
> parameters (or better, their log transforms) by linear combinations of
> covariates?

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