Re: st: choosing based on number of observations

[Michael McCulloch <mm@pinest.org>]

> I guess you would like to keep those counties for which at least five
> or more observations exist in your dataset. If that is the case this
> task can be easily solved with
>
> bysort county: keep if _N>= 5
Thank you Sebastian; this is just what I needed, and I can see its utility.
Thanks also to others who responded.
Michael

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