[R] Survey questions

[Tobias Verbeke]

Farley, Robert wrote:

> I found and loaded the "survey" package.  ?rake and ?postStratify seem
> promising.  Are there other packages/procedures I've missed?  Are there
> online references that an R newbie could use to feel comfortable
> applying these procedures to a survey?  How about a reference discussing
> the details of designing a "post survey survey" to generate additional
> weights?

There is quite some material on the package homepage at

http://faculty.washington.edu/tlumley/survey/

including a page on post-stratification and calibration

http://faculty.washington.edu/tlumley/survey/example-poststrat.html

Maybe the exemplars of the PEAS project are helpful as well:

http://www2.napier.ac.uk/depts/fhls/peas/about.asp

HTH,
Tobias

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> Robert Farley
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> Metro
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> ________________________________
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> From: Farley, Robert 
> Sent: Thursday, June 26, 2008 15:48
> To: 'r-help at r-project.org'
> Subject: Survey questions
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> First the R question.  I have the results of a rather large survey
> (thousands of forms, each with dozens of questions) with some existing
> weights and expansion factors.  I wish to add additional weighting
> factors, based on new information that elements of certain variables
> should appear in certain proportions.  Where should I look in R to
> develop what is essentially an N-dimensional balancing process.  I'd
> like to develop new weighting factors, without disturbing the existing
> weightings/expansion.  
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> Now the statistics question.  Is this appropriate?  Where can I find a
> nearly entry level discussion of the statistical ramifications of this?
> Is it possible (proper) to re-survey a population to obtain new weights
> (for previously un-weighted responses) for an original survey?  
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> Thanks in advance,  
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> Robert Farley
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