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Forming Weighting Adjustment Cells for Unit-Nonresponse in Sample Surveys
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 Title & Authors
Forming Weighting Adjustment Cells for Unit-Nonresponse in Sample Surveys
Kim, Young-Won; Nam, Si-Ju;
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Weighting is a common form of unit nonresponse adjustment in sample surveys where entire questionnaires are missing due to noncontact or refusal to participate. A common approach computes the response weight as the inverse of the response rate within adjustment cells based on covariate information. In this paper, we consider the efficiency and robustness of nonresponse weight adjustment bated on the response propensity and predictive mean. In the simulation study based on 2000 Fishry Census in Korea, the root mean squared errors for assessing the various ways of forming nonresponse adjustment cell s are investigated. The simulation result suggest that the most important feature of variables for inclusion in weighting adjustment is that they are predictive of survey outcomes. Though useful, prediction of the propensity to response is a secondary. Also the result suggest that adjustment cells based on joint classification by the response propensity and predictor of the outcomes is productive.
Fishery census;bias;nonresponce adjustment cell;nonresponce weight;unbiased estimator;
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