st: Re: XT LAGS

["Marina Balboa" <Marina.Balboa@ua.es>]

Hi,

the command generate xlag=L.x would have to work. I think this is what you 
want.

Best,
Marina

----- Original Message ----- 
From: <gmc107@york.ac.uk>
To: <statalist@hsphsun2.harvard.edu>; <n.j.cox@durham.ac.uk>
Sent: Monday, June 20, 2005 2:22 AM
Subject: st: XT LAGS



> Does anyone know how can I create lags when I am using a long format xt
> dataset eg:
> Id year var1 var2 ......
> 12 1
> 12 2
> 12 3
> 12 4
> 13 1
> 13 2
> 13 3
> 13 4
> If I use the command generate xlag= x[_n-1] then this will only create one
> missing value at the first observation for the individual with the 
> personal
> identification mumber 12 and none for the rest- hence -this mixes up
> different individuals' observations.
> Can anyone help?
> George
>
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