1 code implementation • 8 Dec 2022 • Yizi Zhang, Meimei Liu, Zhengwu Zhang, David Dunson
We applied the proposed model to data from the Adolescent Brain Cognitive Development (ABCD) study and the Human Connectome Project (HCP) to investigate how our motion-invariant connectomes facilitate understanding of the brain network and its relationship with cognition.
no code implementations • 22 May 2022 • Youhui Ye, Meimei Liu, Xin Xing
Our approach is applicable and robust when the testing data is contaminated.
no code implementations • 27 Aug 2020 • Meimei Liu, Hongxia Yang
Embedding is a useful technique to project a high-dimensional feature into a low-dimensional space, and it has many successful applications including link prediction, node classification and natural language processing.
no code implementations • 5 Jun 2020 • Yizi Zhang, Meimei Liu
Recent years have witnessed rapid developments on collaborative filtering techniques for improving the performance of recommender systems due to the growing need of companies to help users discover new and relevant items.
no code implementations • 12 Jan 2020 • Meimei Liu, David B. Dunson
When there is a distributional shift between data used to train a predictive algorithm and current data, performance can suffer.
no code implementations • 7 Nov 2019 • Meimei Liu, Zhengwu Zhang, David B. Dunson
In this paper, building on recent advances in deep learning, we develop a nonlinear latent factor model to characterize the population distribution of brain graphs and infer the relationships between brain structural connectomes and human traits.
no code implementations • 17 Sep 2018 • Meimei Liu, Jean Honorio, Guang Cheng
In this paper, we propose a random projection approach to estimate variance in kernel ridge regression.
no code implementations • NeurIPS 2018 • Meimei Liu, Guang Cheng
Early stopping of iterative algorithms is an algorithmic regularization method to avoid over-fitting in estimation and classification.
no code implementations • 25 May 2018 • Meimei Liu, Zuofeng Shang, Guang Cheng
It is worth noting that the upper bounds of the number of machines are proven to be un-improvable (upto a logarithmic factor) in two important cases: smoothing spline regression and Gaussian RKHS regression.
no code implementations • 17 Feb 2018 • Meimei Liu, Zuofeng Shang, Guang Cheng
A common challenge in nonparametric inference is its high computational complexity when data volume is large.