Washington Statistical Society on Meetup

Title: The Rake's Progress Revisited!

  • Date/Time: Wednesday, September 24th
    12:30 pm - 1:30 pm
  • Speakers: Nada Ganesh and Fritz Scheuren, NORC
  • Presentation Materials:
    Fritz Scheuren, NORC
    Nada Ganesh
  • Discussant: Phil Kott, RTI
  • Chair: Mike Fleming
  • Location: Bureau of Labor Statistics Conference Center
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  • Sponsor: WSS Methodology Section
  • POC e-mail: scheuren@aol.com
  • WebEx event address for attendees: https://dol.webex.com/dol/j.php?MTID=m358c27ad1fa5e0b8ab9b275f9e26b741
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Abstract:

Some old algorithms/approaches never quite outlive their usefulness. And Raking Ratio Estimation or simple "Raking" may be one of them. This is so, despite the explosion in new computational methods.

The justly famous 1940 paper by Deming and Stephan is our starting point. In our talk we will do a little theory, connecting raking to the right theoretical background (As many have pointed out, Deming and Stephan got that part wrong).

We will keep our applications within the general post-stratification framework that motivated the original paper. Anyway, building on the appropriate theory we, then, look at several variations of standard practice and talk about how, when properly modified, the basic raking approach still works well and how some of its well-known pitfalls, (e.g., weight attenuation) can be avoided.

The problem we will discuss at most length is a Big Data application when the data are brought together employing record linkage techniques.