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math.ST2025
Variable Selection for Additive Global Fréchet Regression
Haoyi Yang, Satarupa Bhattacharjee, Lingzhou Xue +1
We present a novel framework for variable selection in Fréchet regression with responses in general metric spaces, a setting increasingly relevant for analyzing non-Euclidean data…
math.ST2022
Theoretical Guarantees for Sparse Principal Component Analysis based on the Elastic Net
Teng Zhang, Haoyi Yang, Lingzhou Xue
Sparse principal component analysis (SPCA) is widely used for dimensionality reduction and feature extraction in high-dimensional data analysis. Despite many methodological and the…