-tabstat id, stat(N) by(id)-
Scott
> -----Original Message-----
> From: [email protected] [mailto:owner-
> [email protected]] On Behalf Of Shuaizhang Feng
> Sent: Thursday, July 28, 2005 1:43 PM
> To: [email protected]
> Subject: st: a question about panel data
>
> Dear Stata Users:
>
> I have a panel data with i is id (person) and t is
> year. Suppose I have only three years. Since I have a
> unbalanced panel, I want to find how many persons (i)
> have only 1 year's data, and how many have only 2
> years' data, and how many have 3 years data.
>
> Is there a convenient way to do this in Stata? Thanks
> for your help in advance.
>
> Shuaizhang
>
>
>
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