Not about finance. Please don't cross post. 

Michael

On Apr 10, 2014, at 13:56, 장승욱 <swjang@knu.ac.kr> wrote:

> 
> My data as follows.
> group Y1 Y2...Y100 X1 X2
> A
> A
> 
> ...
> A
> B
> B
> 
> ...
> 
> B
> C
> 
> ...
> 
> Z
> 
> 
> I want to run regression analysis. The model as follow
> Y1A=a+b1*X1+b2*X2
> Y1B=a+b1*X1+b2*X2
> 
> ...
> Y1Z=a+b1*X1+b2*X2
> Y2A=a+b1*X1+b2*X2
> Y2B=a+b1*X1+b2*X2
> 
> ...
> Y2Z=a+b1*X1+b2*X2
> Y3A=a+b1*X1+b2*X2
> 
> ...
> Y100Z=a+b1*X1+b2*X2
> 
>  
> 
> and I want to have the sum of residual(square) of the each model.
> 
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