JSM 2003 Online Program

Abstract #300872

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Activity Number:	122
Type:	Contributed
Date/Time:	Monday, August 4, 2003 : 10:30 AM to 12:20 PM
Sponsor:	Section on Survey Research Methods
Abstract - #300872
Title:	A Comparison of Two Regression Estimators for Two-phase Sampling
Author(s):	Xiaoxi Li*+ and Jean D. Opsomer
Companies:	Iowa State University and Iowa State University
Address:	204 Snedecor Hall, AMES, IA, 50010,
Keywords:	variance estimation ; two-phase sampling ; regression estimator
Abstract:	In complex surveys, auxiliary information is often available at both the population and the first-phase level, and this information can be used to improve the precision of the phase-two estimators. Several methods have been proposed in the literature to construct regression estimators in this context, and they differ in the manner in which regression models applied. We compare regression estimators proposed by Fuller (1998) and Sarndal, Swensson and Wretman (1992). We discuss and contrast their theoretical and practical properties.

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