Given that the smallest group size is 1 though all panels have at
least 4 observations, I would suspect you have non-consecutive
observations and you are using lags.
"Say exactly what you typed and exactly what Stata typed (or did) in
response. N.B. exactly!"
<http://www.stata.com/support/faqs/res/statalist.html#stata>
Scott
Note: that should have been -bysort panelvar: keep if _N>=4-
On Fri, Mar 20, 2009 at 9:31 PM, Christian Bustamante <[email protected]> wrote:
> Hi and thanks for answer.
> Only one doubt: after dropping the observations and running xtregar,
> the results says
>
> Obs per group: min = 1
> avg = 4.6
> max = 9
>
> Why obs per group are 1? It shouldn't be 5?
>
>
> On Fri, Mar 20, 2009 at 9:21 PM, Scott Merryman
> <[email protected]> wrote:
>> bysort panelvar: keep if _N>4
>>
>> Scott
>>
>> On Fri, Mar 20, 2009 at 8:01 PM, Christian Bustamante <[email protected]> wrote:
>>> Hi
>>>
>>> I'm runing a regression model with a unbalanced panel. I want to drop
>>> observations of individuals that doesn't have at least observations
>>> for 4 years. How can I do that?
>> *
>> * For searches and help try:
>> * http://www.stata.com/help.cgi?search
>> * http://www.stata.com/support/statalist/faq
>> * http://www.ats.ucla.edu/stat/stata/
>>
>
>
>
> --
> CdeB
>
> *
> * For searches and help try:
> * http://www.stata.com/help.cgi?search
> * http://www.stata.com/support/statalist/faq
> * http://www.ats.ucla.edu/stat/stata/
>
*
* For searches and help try:
* http://www.stata.com/help.cgi?search
* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/
