Sankhya: The Indian Journal of Statistics

1993, Volume 55, Series B, Pt. 3, 372--384

ON CERTAIN PROBLEMS OF SAMPLING DESIGNS AND ESTIMATION FOR MULTIPLE CHARACTERISTICS

By

T. J. RAO, Indian Statistical Institute, Calcutta

 

SUMMARY. We shall review some of the sampling techniques involving multiple auxiliary variables. In certain situations, when we have many study variables, it is of interest to estimate parameters relating to these variables. However, some of the study variables may be poorly correlated with the selection probabilities when probability proportional to size sampling technique is being used. In this article, we shall also discuss how to provide alternative estimators in such cases. Next we consider multivariate stratified surveys and finally touch upon some of the recent developments including analysis of complex surveys based on several variables.

Subject classification. 62D05

FULL PAPER.

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