I think you need to tell us how multiple observations with
the same year and id are to be collapsed into one.
Nick
[email protected]
Paulo Loureiro
>
> Applying this same syntax (sort variables -very small data
> base) on a bigger
> data base, does not have effect. For example: I have about
> 4157 repeated
> time unbalanced panel data (pooled data). N=4157 and T=18.
> Years: 1981-2001,
> excepts 1991,1994,2001).
>
>
> This data base represents only 5% of the sample.
>
> I apologize for sending in this data base
>
>
>
>
>
> year id son06 age2 age educ lnwage
> ageeduc hrs
> 1992 1 0 26 26 16 11.30713
> 416 80
> 1992 1 1 31 31 16 10.73493
> 496 160
> 1992 1 0 31 31 12 9.846724
> 372 160
> 1992 1 0 25 25 16 11.6638 400 160
> 1992 1 0 31 31 16 11.6638 496 24
> 1992 1 0 27 27 16 11.37612
> 432 232
> 1992 1 0 32 32 16 11.1938 512 180
> 1992 1 0 30 30 15 11.37612
> 450 120
> 1992 1 0 26 26 5 9.989824
> 130 240
> 1992 1 0 23 23 16 11.55844
> 368 144
> 1992 1 1 22 22 10 9.989824
> 220 104
> 1992 1 0 31 31 12 10.45983
> 372 160
> 1992 1 0 24 24 16 11.92616
> 384 144
> 1992 1 0 22 22 16 12.10189
> 352 120
< snip >
> in the form of repeated time unbalanced panel data in series of time.
> Data should be in long format:
>
>
> year id son06 age2 age educ lnwage
> ageeduc hrs
> 1992 1 0 22 22 16 12.10189
> 352 120
< snip >
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