activity
20172023
most citedMedian Matrix Completion: from Embarrassment to Optimality

2 citations · 6 across the 7 of their papers we have counts for

collaborators

11 papers

stat.ME20232 cited

Directed Cyclic Graph for Causal Discovery from Multivariate Functional Data

Saptarshi Roy, Raymond K. W. Wong, Yang Ni

Discovering causal relationship using multivariate functional data has received a significant amount of attention very recently. In this article, we introduce a functional linear s…

eess.SP2022

Extending the Use of MDL for High-Dimensional Problems: Variable Selection, Robust Fitting, and Additive Modeling

Zhenyu Wei, Raymond K. W. Wong, Thomas C. M. Lee

In the signal processing and statistics literature, the minimum description length (MDL) principle is a popular tool for choosing model complexity. Successful examples include sign…

stat.ME2021

Estimation of Partially Conditional Average Treatment Effect by Hybrid Kernel-covariate Balancing

Jiayi Wang, Raymond K. W. Wong, Shu Yang +1

We study nonparametric estimation for the partially conditional average treatment effect, defined as the treatment effect function over an interested subset of confounders. We prop…

stat.ML20202 cited

Median Matrix Completion: from Embarrassment to Optimality

Weidong Liu, Xiaojun Mao, Raymond K. W. Wong

In this paper, we consider matrix completion with absolute deviation loss and obtain an estimator of the median matrix. Despite several appealing properties of median, the non-smoo…

cs.LG2019

Benefits of Jointly Training Autoencoders: An Improved Neural Tangent Kernel Analysis

Thanh V. Nguyen, Raymond K. W. Wong, Chinmay Hegde

A remarkable recent discovery in machine learning has been that deep neural networks can achieve impressive performance (in terms of both lower training error and higher generaliza…

stat.AP2019

Adjusting for Spatial Effects in Genomic Prediction

Xiaojun Mao, Somak Dutta, Raymond K. W. Wong +1

This paper investigates the problem of adjusting for spatial effects in genomic prediction. Despite being seldomly considered in genomic prediction, spatial effects often affect ph…