Poythress, J. C.; Park, Cheolwoo; Ahn, Jeongyoun Dimension-wise sparse low-rank approximation of a matrix with application to variable selection in high-dimensional integrative analyzes of association. (English) Zbl 07611132 J. Appl. Stat. 49, No. 15, 3889-3907 (2022). MSC: 62-XX PDFBibTeX XMLCite \textit{J. C. Poythress} et al., J. Appl. Stat. 49, No. 15, 3889--3907 (2022; Zbl 07611132) Full Text: DOI
Ahn, Jeongyoun; Chung, Hee Cheol; Jeon, Yongho Trace ratio optimization for high-dimensional multi-class discrimination. (English) Zbl 07499893 J. Comput. Graph. Stat. 30, No. 1, 192-203 (2021). MSC: 62-XX PDFBibTeX XMLCite \textit{J. Ahn} et al., J. Comput. Graph. Stat. 30, No. 1, 192--203 (2021; Zbl 07499893) Full Text: DOI
Chang, Woonyoung; Ahn, Jeongyoun; Jung, Sungkyu Double data piling leads to perfect classification. (English) Zbl 1493.62365 Electron. J. Stat. 15, No. 2, 6382-6428 (2021). MSC: 62H25 62H30 62J07 PDFBibTeX XMLCite \textit{W. Chang} et al., Electron. J. Stat. 15, No. 2, 6382--6428 (2021; Zbl 1493.62365) Full Text: DOI Link
Chung, Hee Cheol; Ahn, Jeongyoun Subspace rotations for high-dimensional outlier detection. (English) Zbl 1464.62303 J. Multivariate Anal. 183, Article ID 104713, 18 p. (2021). MSC: 62H15 62G09 PDFBibTeX XMLCite \textit{H. C. Chung} and \textit{J. Ahn}, J. Multivariate Anal. 183, Article ID 104713, 18 p. (2021; Zbl 1464.62303) Full Text: DOI
Jung, Sungkyu; Ahn, Jeongyoun; Jeon, Yongho Penalized orthogonal iteration for sparse estimation of generalized eigenvalue problem. (English) Zbl 07499088 J. Comput. Graph. Stat. 28, No. 3, 710-721 (2019). MSC: 62-XX PDFBibTeX XMLCite \textit{S. Jung} et al., J. Comput. Graph. Stat. 28, No. 3, 710--721 (2019; Zbl 07499088) Full Text: DOI arXiv
Ahn, Jeongyoun; Lee, Myung Hee; Lee, Jung Ae Distance-based outlier detection for high dimension, low sample size data. (English) Zbl 1516.62106 J. Appl. Stat. 46, No. 1, 13-29 (2019). MSC: 62-XX PDFBibTeX XMLCite \textit{J. Ahn} et al., J. Appl. Stat. 46, No. 1, 13--29 (2019; Zbl 1516.62106) Full Text: DOI
Safo, Sandra E.; Ahn, Jeongyoun General sparse multi-class linear discriminant analysis. (English) Zbl 1468.62170 Comput. Stat. Data Anal. 99, 81-90 (2016). MSC: 62-08 62H30 62P10 PDFBibTeX XMLCite \textit{S. E. Safo} and \textit{J. Ahn}, Comput. Stat. Data Anal. 99, 81--90 (2016; Zbl 1468.62170) Full Text: DOI
Ahn, Jeongyoun; Jeon, Yongho Sparse HDLSS discrimination with constrained data piling. (English) Zbl 1468.62012 Comput. Stat. Data Anal. 90, 74-83 (2015). MSC: 62-08 62H30 62P10 PDFBibTeX XMLCite \textit{J. Ahn} and \textit{Y. Jeon}, Comput. Stat. Data Anal. 90, 74--83 (2015; Zbl 1468.62012) Full Text: DOI