Nick
Thanks I wil look it up.
Reka
----- Original Message -----
From: Nick Cox <[email protected]>
Date: Monday, May 5, 2003 8:59 am
Subject: RE: RE: st: creating lag variables (corrected)
> REKA SUNDARAM-STUKEL
>
> > I typed the following:
> >
> > bysort id type: gen lag_choice=choice[_n-1]
> >
> > Could you please explain why 'year' needs to be in
> > parenthesis. Thank you.
>
> No; this is very well documented.
>
> Various possible sources of explanation.
>
> 1. On-line help for -by-.
>
> 2. [U] 14.5 (pp.108-9 in Stata 8 version; p.84 in Stata 7
version).
>
> 3. There is a discussion of by: in Stata Journal 2(1), 86-
102 (2002),
> which may be accessible to you.
>
> Nick
> [email protected]
>
> *
> * 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/
