Publications and Preprints
A Convex-Nonconvex Strategy for Grouped Variable Selection
X. Liu, A. J. Molstad, and E. C. Chi.
A Sharper Computational Tool for L2E Regression
X. Liu, E. C. Chi, and K. L. Lange.
Technometrics. Accepted. [arXiv]
Revisiting Convexity-Preserving Signal Recovery with the Linearly Involved GMC Penalty
X. Liu, and E. C. Chi. (2022)
Pattern Recognition Letters, 156, 60-66.
An Interpretable Machine Learning Model to Classify Coronary Bifurcation Lesions
X. Liu, M. Vardhan, Q. Wen, A. Das, A. Randles, and E. C. Chi. (2021)
In 2021 43rd Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC), pp. 4432-4435. IEEE.
Sparse Principal Component Analysis with Fused Penalty
B Zhang, and X. Liu. (2019)
Statistical Research, 36(4), 119-128.