I see the problem.
Thanks a lot Nick.
----- Original Message -----
From: "Nick Cox" <[email protected]>
To: <[email protected]>
Sent: Monday, January 12, 2004 6:46 PM
Subject: st: RE: predicitng year by year values
> You are correct that there is a problem
> with your syntax. It is illegal.
>
> Try something more like this:
>
> levels year, local(Y)
> gen predict = .
>
> qui foreach y of local Y {
> reg y x if year == `y'
> predict temp
> replace predict = temp if year == `y'
> drop temp
> }
>
> Nick
> [email protected]
>
> R.E. De Hoyos
>
> > How can I regress several cross-sections, predict the
> > values by year and
> > amend them into the main dataset?
> >
> > I have an unbalanced panel and I want to run a regression
> > for each year:
> >
> > bys year reg y x
> >
> > The point is to save the y-hat (predicted values) emanated
> > from the year by
> > year regressions into a single column. I tried the
> > -foreach- command put
> > apparently there is a problem with the syntax:
> >
> > foreach num of local year {
> > reg y(num) x
> > predict y(num)
> > }
>
> *
> * For searches and help try:
> * http://www.stata.com/support/faqs/res/findit.html
> * http://www.stata.com/support/statalist/faq
> * http://www.ats.ucla.edu/stat/stata/
>
*
* For searches and help try:
* http://www.stata.com/support/faqs/res/findit.html
* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/
