Estimation of mean vector in elliptical models

Details Estimation of mean vector in elliptical models Estimation of mean vector in elliptical models

2012-03-06

arxiv.org/abs/1203.1125v1

Mathematics

Statistics Theory

Scientific paper

In this paper, we are basically discussing on a class of Baranchik type shrinkage estimators of the vector parameter in a location model, with errors belonging to a sub-class of elliptically contoured distributions. We derive conditions under Schwartz space in which the underlying class of shrinkage estimators outperforms the sample mean. Sufficient conditions on dominant class to outperform the usual James-Stein estimator are also established. It is nicely presented that the dominant properties of the class of estimators are robust truly respect to departures from normality.

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