Choosing the stratification boundaries: The elusive optima

Jane M. Horgan
957 685

Abstract


Since Dalenius (1950) provided a set of equations for the determination of the stratum boundaries, there has been a proliferation of attempts to obtain the optimum stratum boundaries, those that minimise the variance of the Horvitz-Thompson estimator of mean or total. In this paper, we track the progress of such methods, and ask where we are now and where to go from here.

Keywords


Approximation methods, numerical optimisation, skewness

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