Halfplane trimming for bivariate distributions
Journal of Multivariate Analysis
Halfspace depth and regression depth characterize the empirical distribution
Journal of Multivariate Analysis
Second-order accuracy of depth-based bootstrap confidence regions
Journal of Multivariate Analysis
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The Tukey depth is an innovative concept in multivariate data analysis. It can be utilized to extend the univariate order concept and advantages to a multivariate setting. While it is still an open question as to whether the depth contours uniquely determine the underlying distribution, some positive answers have been provided. We extend these results to distributions with smooth depth contours, with elliptically symmetric distributions as special cases. The key ingredient of our proofs is the well-known Cramer-Wold theorem.