Ranked Set Sampling for Replicated Sampling Designs
2002
Barabesi, Lucio | Pisani, Caterina
In practical ecological sampling studies, a certain design (such as plot sampling or lineâintercept sampling) is usually replicated more than once. For each replication, the HorvitzâThompson estimation of the objective parameter is considered. Finally, an overall estimator is achieved by averaging the single HorvitzâThompson estimators. Because the design replications are drawn independently and under the same conditions, the overall estimator is simply the sample mean of the HorvitzâThompson estimators under simple random sampling. This procedure may be wisely improved by using ranked set sampling. Hence, we propose the replicated protocol under ranked set sampling, which gives rise to a more accurate estimation than the replicated protocol under simple random sampling.
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