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st: RE: RE: Counting unique values over moving time windows


From   "Scott Merryman" <smerryman@kc.rr.com>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: RE: Counting unique values over moving time windows
Date   Wed, 29 Jun 2005 19:09:05 -0500

> -----Original Message-----
> From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-
> statalist@hsphsun2.harvard.edu] On Behalf Of austin nichols
> Sent: Wednesday, June 29, 2005 2:39 PM
> To: statalist@hsphsun2.harvard.edu
> Subject: st: RE: Counting unique values over moving time windows
> 
> Note that -inspect- will report missing if there are more than 99
> distinct obs, whereas -distinct- or -unique- have much higher limits
> (up to double precision, I believe).  

<snip>

Good catch on the limitation of -inspect-, however, in this case with a 5
year window it may not matter.

Scott




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