The spatial sign covariance matrix with unknown location

被引:15
作者
Duerre, Alexander [1 ]
Vogel, Daniel [2 ]
Tyler, David E. [3 ]
机构
[1] Tech Univ Dortmund, Fak Stat, D-44221 Dortmund, Germany
[2] Ruhr Univ Bochum, Fak Math, D-44780 Bochum, Germany
[3] Rutgers State Univ, Dept Stat, Piscataway, NJ 08854 USA
基金
美国国家科学基金会;
关键词
Elliptical distribution; Marcinkiewicz SLLN; Spatial median; Spatial sign; ROBUST; SCATTER;
D O I
10.1016/j.jmva.2014.05.004
中图分类号
O21 [概率论与数理统计]; C8 [统计学];
学科分类号
020208 ; 070103 ; 0714 ;
摘要
The consistency and asymptotic normality of the spatial sign covariance matrix with unknown location are shown. Simulations illustrate the different asymptotic behaviors when using the mean and the spatial median as a location estimator. (C) 2014 Elsevier Inc. All rights reserved.
引用
收藏
页码:107 / 117
页数:11
相关论文
共 34 条
[1]  
[Anonymous], 2010, R LANG ENV STAT COMP
[2]  
[Anonymous], 2006, WILEY SERIES PROBABI, DOI DOI 10.1002/0470010940
[3]  
[Anonymous], 1974, J. R. Statist. Soc. Series C (Applied Statistics)
[4]   Regularized Gaussian discriminant analysis through eigenvalue decomposition [J].
Bensmail, H ;
Celeux, G .
JOURNAL OF THE AMERICAN STATISTICAL ASSOCIATION, 1996, 91 (436) :1743-1748
[5]   The k-step spatial sign covariance matrix [J].
Croux, C. ;
Dehon, C. ;
Yadine, A. .
ADVANCES IN DATA ANALYSIS AND CLASSIFICATION, 2010, 4 (2-3) :137-150
[6]  
Croux C., 2002, Statistical Data Analysis Based on the L1-Norm and Related Methods, P257, DOI [10.1007/978-3-0348-8201-9_22, DOI 10.1007/978-3-0348-8201-9_22, 10.1007/978-3-0348-8201-9, DOI 10.1007/978-3-0348-8201-9]
[7]   On Tyler's M-functional of scatter in high dimension [J].
Dumbgen, L .
ANNALS OF THE INSTITUTE OF STATISTICAL MATHEMATICS, 1998, 50 (03) :471-491
[8]  
Genz A., 2014, mvtnorm: Multivariate normal and t distributions
[9]   Robust functional estimation using the median and spherical principal components [J].
Gervini, Daniel .
BIOMETRIKA, 2008, 95 (03) :587-600
[10]   INFLUENCE CURVE AND ITS ROLE IN ROBUST ESTIMATION [J].
HAMPEL, FR .
JOURNAL OF THE AMERICAN STATISTICAL ASSOCIATION, 1974, 69 (346) :383-393