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st: RE: Estimating joint ~ from two conditionals using switchr


From   "Maarten Buis" <M.Buis@fsw.vu.nl>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: Estimating joint ~ from two conditionals using switchr
Date   Fri, 10 Nov 2006 12:56:52 +0100

--- Reza C Daniels wrote:
> Would I be correct to say that if I wanted to estimate the joint 
> distribution of (Y, X | Z), then I could do so by switching regression, 
> which would first estimate (Y | X, Z) then (X | Y, Z), the product of 
> which would give me (Y, X | Z)?


Reza:
No, using Bayes theorem:
f(x,y|z) = f(x|y,z) f(y|z)
HTH,
Maarten

-----------------------------------------
Maarten L. Buis
Department of Social Research Methodology 
Vrije Universiteit Amsterdam 
Boelelaan 1081 
1081 HV Amsterdam 
The Netherlands

visiting address:
Buitenveldertselaan 3 (Metropolitan), room Z434 

+31 20 5986715

http://home.fsw.vu.nl/m.buis/
-----------------------------------------



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