Abstract
Suppose that a sample of size n from a continuous and symmetric population with an unknown location parameter is given. We consider a fictitious random subsample of size k drawn from the original sample and construct the best linear estimator based on the subsample. Applying the Rao–Blackwell-type argument, we get an estimator which is supposed to be uniformly efficient for a wide class of distributions. Monte Carlo experiments established that this estimator is highly efficient for small samples of size 10 or 20.
This chapter was first published in Takeuchi (1971) Journal of the American Statistical Association, 66, 292–301.
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Takeuchi, K. (2020). A Uniformly Asymptotically Efficient Estimator of a Location Parameter. In: Contributions on Theory of Mathematical Statistics. Springer, Tokyo. https://doi.org/10.1007/978-4-431-55239-0_6
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