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Feeding back Information on Ineligibility from Sample Surveys to the Frame

Hedlin, Dan and Wang, Suojin (2003) Feeding back Information on Ineligibility from Sample Surveys to the Frame , Southampton, UK Southampton Statistical Sciences Research Institute 24pp. (S3RI Methodology Working Papers, M03/01).

Record type: Monograph (Working Paper)


It is usually discovered in the data collection phase of a survey that some units in the sample are ineligible even if the frame information has indicated otherwise. For example, in many business surveys a nonnegligible proportion of the sampled units will have ceased trading since the latest update of the frame. This information may be fed back to the frame and used in subsequent surveys, thereby making forthcoming samples more efficient by avoiding sampling nonnegligible units. We investigate what effect on survey estimation the process of feeding back information on ineligibility may have, and derive an expression for the bias that can occur as a result of feeding back. The focus is on estimation of the total using the common expansion estimator. We obtain an estimator that is nearly unbiased in the presence of feed back. This estimator relies on consistent estimates of the number of eligible and ineligible units in the population being available.

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Published date: 2003


Local EPrints ID: 284
PURE UUID: 92660d7e-82ee-4287-8dd1-da1e2019dc3b

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Date deposited: 15 Jan 2004
Last modified: 17 Jul 2017 17:18

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Author: Dan Hedlin
Author: Suojin Wang

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