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Activity Number: 513
Type: Contributed
Date/Time: Thursday, August 2, 2007 : 8:30 AM to 10:20 AM
Sponsor: Section on Survey Research Methods
Abstract - #309456
Title: A Model-Assisted Design Based on Adaptive Sampling
Author(s): Ismaila Adeleke*+ and Raymond Okafor and Ebenezer Esan and Athanasius Opara
Companies: University of Lagos and University of Lagos and University of Lagos and University of Lagos
Address: Department of Actuarial Science and Ins, Lagos Nigeria, 101017, Nigeria
Keywords: Model-based ; design based ; adaptive sampling ; inclusion probabilities ; sampling weights
Abstract:

Two problems often crop up in adaptive sampling. One, it may not be feasible to sample according to a designated sampling plan. And two, the designated sampling plan may result in very small selection probabilities for same units thereby giving large weights to such units in estimation. In order to ameliorate these problems, we propose a regression procedure that combines design and model-based techniques of inference.

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Revised September, 2007