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Re: st: AW: How to compute sigma or sum from a calculation


From   adiwan fahlan <adiwan_f@yahoo.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: AW: How to compute sigma or sum from a calculation
Date   Sat, 2 Feb 2008 13:03:55 -0800 (PST)

Dear all

thank you for the previous answers. 

What I was looking was how to sigma or sum from an
equation, and find the b1 and b2 cooficient such as : 


      Wj=  b1* SUM (Yi*exp^(b2*Dij)) where i =
1,2,3,...R

         Wj = wage in region j
        Yi is Income in region i  
            Dij is distance between region i and j

Thank you


Regards
Adiwa


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