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st: RE: fweight


From   Lee Sieswerda <Lee.Sieswerda@tbdhu.com>
To   "'statalist@hsphsun2.harvard.edu'" <statalist@hsphsun2.harvard.edu>
Subject   st: RE: fweight
Date   Thu, 6 Feb 2003 11:20:15 -0500

It looks like you are using what are sometimes called "expansion" weights.
Stata handles those properly as pweights. In my humble opinion, one the
great benefits of Stata 8 is that it seems that a lot more commands can use
pweights than was the case in past versions.

Regards,
Lee

Lee Sieswerda, Epidemiologist
Thunder Bay District Health Unit
999 Balmoral Street
Thunder Bay, Ontario
Canada  P7B 6E7
Tel: +1 (807) 625-5957
Fax: +1 (807) 623-2369
Lee.Sieswerda@tbdhu.com
www.tbdhu.com


> -----Original Message-----
> From:	Rodrigo Briceņo [SMTP:rbriceno@sanigest.com]
> Sent:	Thursday, February 06, 2003 11:09 AM
> To:	Statalist (E-mail)
> Subject:	st: fweight
> 
> Hello friends!
> I wish to have a more explicit explanation about weights. I'm using a
> variable called factor to expand the data from the sample that I'm using.
> My
> variable factor have data like 118.54, 99.31, 154.62, etc. Why if I use
> fweight=factor I get an error:  may not use noninteger frequency weights
> r(401)?  Is this related with the decimals in the observations. If I use
> the
> same variable in a different software (SPSS) I got no errors. Can somebody
> explain what do I need to correct in order to execute procedures in Stata
> with those numbers like factors?
> Thank you very much to all.
> 
> Rodrigo
> 
> 
> 
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