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Adaptive Exponential Power Depth with Application to Classification.
- Source :
-
Journal of Classification . Oct2018, Vol. 35 Issue 3, p466-480. 15p. - Publication Year :
- 2018
-
Abstract
- Depth functions have many applications in multivariate data analysis, including discriminant analysis and classification. In this paper, we introduce a novel class of data depth: exponential power depth (EPD) functions. Under some conditions, we show that the EPD functions are a statistical depth function, and the sample EPD functions are consistent and asymptotically normal. Based on the proposed EPD functions, we construct a DD-plot (depth-versus-depth plot), which can be applied to the classification problem. Since the EPD functions contain the two tuning parameters, we provide a data-driven approach to select these tuning parameters. The simulation studies and two real data analysis are conducted to assess the finite sample performance of the proposed method. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 01764268
- Volume :
- 35
- Issue :
- 3
- Database :
- Academic Search Index
- Journal :
- Journal of Classification
- Publication Type :
- Academic Journal
- Accession number :
- 132879550
- Full Text :
- https://doi.org/10.1007/s00357-018-9264-z