Article ID Journal Published Year Pages File Type
1153728 Statistical Methodology 2010 14 Pages PDF
Abstract

There exist many designs for unequal probability sampling. In this paper entropy, which is a measure of randomness, is used to compare eight designs. Both old and commonly used designs and more recent designs are included. Several different and general estimates of entropy are presented. In the quest of finding entropy, expressions for the probability function are derived for different designs. One of them is a recent general design called correlated Poisson sampling. Several designs are close to having maximum entropy, which means that the designs are robust. A few designs yield low entropy and should therefore in general be avoided.

Related Topics
Physical Sciences and Engineering Mathematics Statistics and Probability
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