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06/21/2023
Averaging symmetric positive-definite matrices on the space of eigen-decompositions
We study extensions of Fréchet means for random objects in the space Sym...
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11/28/2022
Double Data Piling for Heterogeneous Covariance Models
In this work, we characterize two data piling phenomenon for a high-dime...
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11/28/2022
Differentially Private Multivariate Statistics with an Application to Contingency Table Analysis
Differential privacy (DP) has become a rigorous central concept in priva...
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08/23/2022
Variable selection and basis learning for ordinal classification
We propose a method for variable selection and basis learning for high-d...
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03/26/2022
Principal Structure Identification: Fast Disentanglement of Multi-source Dataset
Analysis of multi-source data, where data on the same objects are collec...
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06/26/2020
Covariance-engaged Classification of Sets via Linear Programming
Set classification aims to classify a set of observations as a whole, as...
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11/08/2017
Penalized Orthogonal Iteration for Sparse Estimation of Generalized Eigenvalue Problem
We propose a new algorithm for sparse estimation of eigenvectors in gene...
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06/20/2016
Continuum directions for supervised dimension reduction
Dimension reduction of multivariate data supervised by auxiliary informa...
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02/19/2014