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


From   Arik <ericl@rocketmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: RE: RE: Counting unique values over moving time windows
Date   Wed, 29 Jun 2005 19:41:28 -0700 (PDT)

Dear Scott and Austin,
Thanks for your help - this was very helpful.
Arik

--- Scott Merryman <smerryman@kc.rr.com> wrote:

> 
> > -----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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