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Posted: **Thu Feb 09, 2012 11:19 pm**

Hello,

I was asked to take 200 samples of 5 observations from 1000 observations and run regression with OLS method.
(observation 1-5, 6-10, and so forth.)

I entered the following but they tell me "i" is not defined. Can someone tell me what I did wrong here?

vector(200) beta
for !i=1 to 200
smpl (!i-1)*5+1 !i*5
ls y=c(1) +c(2)*x
beta(!i)=@coefs(2)
next

Any help is appreciated.
Thanks in advance :)

Posted: **Fri Feb 10, 2012 1:39 am**

Nothing seems wrong with your control variable. However, the following version would be more effective:

Code: Select all

vector(200) beta
for !i=1 to 200
!beg = (!i-1)*5+1
!end = !i*5
smpl !beg !end
equation eq.ls y=c(1) +c(2)*x
beta(!i)=@coefs(2)
next
smpl @all

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