Abstract #300023

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JSM 2003 Abstract #300023
Activity Number: 455
Type: Invited
Date/Time: Thursday, August 7, 2003 : 10:30 AM to 12:20 PM
Sponsor: Section on Survey Research Methods
Abstract - #300023
Title: An Overview of Calibration Weighting
Author(s): Phillip S. Kott*+
Companies: National Agricultural Statistics Service
Address: 3251 Old Lee Hwy., Suite 305, Fairfax, VA, 22030-1504,
Keywords: Model-unbiased ; Randomization-consistent ; Randomization-optimal estimator ; Raking ; Nonresponse ; Local polynomial regression
Abstract:

The notion that a single set of adjusted probability-sample weights can be used to compute model-unbiased estimators for a number of different target variables precedes Deville and Särndal (1992). Nevertheless, there is no denying the influence that one article has had on sample survey theory and practice. This talk will review the history of calibration weighting before Deville and Särndal coined the term, the contributions of their famous article, and some major developments since then, including a recommended change in the definition. This change expands the concept to include such special cases as 1) randomization-optimal estimators, and, 2) randomization-consistent estimators incorporating local polynomial regression. Although originally developed as a method for reducing sampling errors, calibration weighting has also been applied to adjust for nonresponse and coverage errors.

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