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st: RE: broken stick (piecewise linear) regression

From   "Nick Cox" <>
To   <>
Subject   st: RE: broken stick (piecewise linear) regression
Date   Tue, 24 May 2005 12:55:09 +0100

. search mkspline 

should help. See both entries. 


keith Farnsworth
> I intend to fit a broken stick model following Bacon and Watts  
> "Estimating the transition between two intersecting straight lines",  
> Biometrika 1971. I have seen code for this to use the S or R 
> package's  
> nls, which I suspect uses maximum likelihood (but not sure) [see  
> msg00215.html].
> I am not an S user, I am a Stata enthusiast!
> However, I found no reference to this kind of model in Stata 
> searches.  
> I hope someone with more experience than me can explain how 
> Stata will  
> implement the Bacon and Watts model.

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