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# Re: st: SVY question

 From Steven Samuels To statalist@hsphsun2.harvard.edu Subject Re: st: SVY question Date Fri, 26 Aug 2011 18:14:08 -0400

```Dmitris, You have sampling strata formed by the combination of firm size and work arrangement; if there were K size strata, you have 2K sampling strata, yes?  I don't understand your statement "I sample firms in strata defined by the firm size (proportional sampling according to the distribution of the firm size in the whole labour market)". Please provide  detail. Show how you defined the size strata and how you drew the sample (e.g. how many firms per sampling stratum).
Include an example for the  firms with and without X in a single size stratum.  Also, please name the variables you think you might use in the -svyset- statement.

I apologize in advance, but I do not expect to respond further until Monday or later.

Steve

On Aug 26, 2011, at 10:53 AM, Pavlopoulos, D. wrote:

Dear statalisters,

I have a rather complex survey design and I want to use the svy for it. I sample firms and then individuals within these firms stratified according to the firm size and the use of a flexible work arrangement X.

Specifically, I split firms into those using the arrangement X and those that do not use it. Within each group of firms I sample firms in strata defined by the firm size (proportional sampling according to the distribution of the firm size in the whole labour market).

Then, within each firm than does not use the arrangement X, I select a random sample of workers of a fixed size n. Within each firm that uses the arrangement X, I split the workers in those taking up the arrangement and those that do not and I select a random sample of workers within each group so that the total sample of workers in the firm equals n.

How should I define svyset?

I would appreciate your help! Please note that I am using Stata 11.

best,
Dimitris

dr. Dimitris Pavlopoulos

Assistant Professor
Vrije Universiteit Amsterdam
Faculty of Social Sciences
dept. of Sociology
De Boelelaan 1081 (visiting address Metropolitan Building, Buitenveldertselaan 3)
1081 HV Amsterdam
the Netherlands

email: D.Pavlopoulos@fsw.vu.nl
tel: +31 (0)20 59 89254

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