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The standard error of Rij will be accessible after the rgression as -di
_se[Rij]- which , according to your formula, is what you need...
HTH
Martin
_______________________
----- Original Message ----- From: <[email protected]>
To: "Statalist" <[email protected]>
Sent: Wednesday, June 17, 2009 1:09 AM
Subject: st: standard error and significance
Dear all,
Here's a fomula,
Y=1+Rij/(Si*Sj),
where Rij is a coef. abtained form a regression; Si and Sj are
obtained form a data set (let's say ten years annual data).
Now, I am going to evaluated Y at the means of Si and Sj. The
standard errors of Y can be calculated by SE(Y)=SE(Rij)/SiSj. So
How could I determine if the result of Y is siginificant at 5%
level, according to its standard error? How to do it by STATA?
Thanks!
Crystal
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