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st: RE: re: Sample with weights


From   "Stephen P. Jenkins" <stephenj@essex.ac.uk>
To   statalist@hsphsun2.harvard.edu
Subject   st: RE: re: Sample with weights
Date   Thu, 6 Oct 2005 13:36:43 +0100

>
>Date: Fri, 30 Sep 2005 11:48:40 +0200
>From: "Willard van Ooij" <w.van.ooij@marktmonitor.com>
>Subject: st: Sample with weights
>
>Dear statalisters,
>
>I have a population of company's. I want a sample from this population,

>but the probability of a company to be sampled has to be equivalent
>with the number of employees (let's call this "size").
>
>So I thought i could
>- -sample 10 [fweight=size]


I have written -samplepps- ("sample proportional to size"), available from SSC
with -ssc install samplepps-. It sounds as if this may do what you seek

A -findit pps- would have found it (and a program by Stas Kolenikov.

--
Professor Stephen P. Jenkins <stephenj@essex.ac.uk>
Institute for Social and Economic Research (ISER)
University of Essex, Colchester, CO4 3SQ, UK
Tel: +44 (0)1206 873374. Fax: +44 (0)1206 873151.
http://www.iser.essex.ac.uk


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