I don't know of any package that does dual-frame surveys. The survey 
package does not (at the moment).

        -thomas


On Mon, 22 Oct 2007, eugen pircalabelu wrote:

> Good afternoon!
>
>  My question is more of a "is there a package for doing........?" an 
> inference regarding the mean, median, regression estimates, etc. by using the 
> information from dual frame surveys? (this methodology is based on the work 
> of BANKIER 1986, SKINNER 1991, LOHR and RAO 2000...)
>
>  If one has 2 independent studies which both independently measure a trait of 
> a population, but both of them are constructed from 2 separate frames (which 
> TOGETHER refer to the population of interest), is there a possibility to 
> infer a mean, median.. for the population but taking into account all the 
> info, resulting from the 2 studies, with a specific package in R??
>
>  Example:
>  "Frame A lists universities offering a PhD in statistics, and frame B lists 
> universities offering a master's degree in statistics; the frames overlap 
> (some universities offer both master's and PhD, but we don't know which) and 
> together cover all the universities offering graduate degrees in statistics" 
> Lohr and Rao 2000. Now suppose someone wants to study a characteristic of 
> this population but does so by taking 2 separate samples, each from its 
> corresponding frame. What package lets me combine the info from the 2 samples 
> for inferring something to the whole population?
>
>
>  Thank you and have a great day!!
>
> __________________________________________________
>
>
>
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>

Thomas Lumley                   Assoc. Professor, Biostatistics
[EMAIL PROTECTED]       University of Washington, Seattle

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