Poisson regression-ratio estimators of the population mean under double sampling, with application to Covid-19

Haydar Koç, Caner Tanış and Tolga Zaman

Mathematical Population Studies, 2022, vol. 29, issue 4, 226-240

Abstract: Poisson regression is used to deal with count data. The Poisson regression ratio estimator of the population mean is extended from single to double sampling. This is made possible by the provision of the population mean of an auxiliary variable. The mean square errors of the proposed estimators are expressed up to the first order. Theoretical and numerical results demonstrate that the proposed double-sampling Poisson-regression ratio estimator has a lower mean square error than the double-ratio and the single-sampling estimator. For Covid-19, the minimum mean square errors yielded by the proposed estimator of the total number of cases are 0.095 cases per day and 67.8 cases, compared with 0.112 cases per day and 84.8 cases with the double-ratio estimator.

Date: 2022
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DOI: 10.1080/08898480.2022.2051988

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