Recalibration Estimation for Unit Nonresponse at the Two Levels Auxiliary Information Yum, Joon Keun; Son, Chang Kyoon; Jeung, Young Mee;
In this paper we suggest the new calibration estimator, which is called to the recalibration estimator, and its variance estimator using two-phase sampling technique according to the auxiliary information having strong correlation with the variable of interest under the unit nonresponse. In this unit nonresponse situation, an available information may exists at the level of whole population or the first-phase sample. The proposed recalibration estimator derives from the first and second phase weights respectively.
Unit nonresponse;Auxiliary information;Two-phase sampling;Recalibration;
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