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Abstract
The estimation of the finite population mean in successive occasions is investigated with calibration estimators in this article. We propose several estimators based on calibration techniques with arbitrary sampling design in each of the occasions. Asymptotic variance formulaes are derived for the proposed estimators. The properties of these estimators are studied via a simulation study and using natural populations.
Mathematics Subject Classification:
Acknowledgments
The authors would like to thank the referees for their many helpful comments and suggestions. This work was partially supported by CICE (Junta de Andalucía) (contract No. SEJ565) and Ministerio de Educación y Ciencia (contract No. MTM2006-04809).
