Measurement error models
Robust regression and outlier detection
Robust regression and outlier detection
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Journal of Multivariate Analysis
Asymptotic expansion of the minimum covariance determinant estimators
Journal of Multivariate Analysis
Service time estimation with a refinement enhanced hybrid clustering algorithm
ASMTA'10 Proceedings of the 17th international conference on Analytical and stochastic modeling techniques and applications
ICICA'11 Proceedings of the Second international conference on Information Computing and Applications
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This paper focuses on robust estimation in the structural errors-in-variables (EV) model. A new class of robust estimators, called weighted orthogonal regression estimators, is introduced. Robust estimators of the parameters of the EV model are simply derived from robust estimators of multivariate location and scatter such as the M-estimators, the S-estimators and the MCD estimator. The influence functions of the proposed estimators are calculated and shown to be bounded. Moreover, we derive the asymptotic distributions of the estimators and illustrate the results on simulated examples and on a real-data set.