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Re: st: RE: error with xtset


From   Prakash Singh <prakashbhu@gmail.com>
To   statalist <statalist@hsphsun2.harvard.edu>
Subject   Re: st: RE: error with xtset
Date   Tue, 11 Jun 2013 16:16:01 +0530

Dear George, I have checked that already there is missing  data in
group and year.


On Tue, Jun 11, 2013 at 4:09 PM, Hoffman, George <ghoffman@mcw.edu> wrote:
> You probably have several rows of missing data in group and year.
> You could:
> tab group year, mis
> drop if group==.&year==.
>
> -----Original Message-----
> From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Prakash Singh
> Sent: Tuesday, June 11, 2013 4:56 AM
> To: statalist
> Subject: st: error with xtset
>
> Dear all, I am working with unbalanced polled cross section data which having 4 district and 2 years information. when I am using xtset I am getting error which says repeated time values within panel.
>
>  xtset  group year
> repeated time values within panel
> r(451);
>
>  the tabulation of entity and year is given below
>
> tab group year
>
>            |         Year
>      group |      2004       2006 |     Total
> -----------+----------------------+----------
>          1 |       262        342 |       604
>          2 |       188        247 |       435
>          3 |       103        130 |       233
>          4 |        70         95 |       165
> -----------+----------------------+----------
>      Total |       623        814 |     1,437
>
> Could anyone suggest what is wrong with my command or data.
>
> Regards
> Prakash
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