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A new projection estimate for multivariate location with minimax bias

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  • Adrover, Jorge G.
  • Yohai, Víctor J.

Abstract

The maximum asymptotic bias of an estimator is a global robustness measure of its performance. The projection median estimator for multivariate location shows a remarkable behavior regarding asymptotic bias. In this paper we consider a modification of the projection median estimator which renders an estimate with better bias performance for point mass contaminations (the worst situation for the projection median estimator). Moreover, it achieves the lowest bound for an equivariant estimate for point mass contaminations.

Suggested Citation

  • Adrover, Jorge G. & Yohai, Víctor J., 2010. "A new projection estimate for multivariate location with minimax bias," Journal of Multivariate Analysis, Elsevier, vol. 101(6), pages 1400-1411, July.
  • Handle: RePEc:eee:jmvana:v:101:y:2010:i:6:p:1400-1411
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    References listed on IDEAS

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    1. Kim, Jeankyung & Hwang, Jinsoo, 2001. "Asymptotic properties of location estimators based on projection depth," Statistics & Probability Letters, Elsevier, vol. 55(3), pages 293-299, December.
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    Cited by:

    1. Schmitt, Eric & Öllerer, Viktoria & Vakili, Kaveh, 2014. "The finite sample breakdown point of PCS," Statistics & Probability Letters, Elsevier, vol. 94(C), pages 214-220.

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