Search Results for author: Zhiyue Zhang

Found 3 papers, 1 papers with code

TransformerLSR: Attentive Joint Model of Longitudinal Data, Survival, and Recurrent Events with Concurrent Latent Structure

no code implementations4 Apr 2024 Zhiyue Zhang, Yao Zhao, Yanxun Xu

However, current methods only address joint modeling of longitudinal measurements at regularly-spaced observation times and survival events, neglecting recurrent events.

Epidemiology Point Processes

MoMA: Model-based Mirror Ascent for Offline Reinforcement Learning

no code implementations21 Jan 2024 Mao Hong, Zhiyue Zhang, Yue Wu, Yanxun Xu

Model-based offline reinforcement learning methods (RL) have achieved state-of-the-art performance in many decision-making problems thanks to their sample efficiency and generalizability.

Decision Making Offline RL +1

Simple and Scalable Sparse k-means Clustering via Feature Ranking

1 code implementation NeurIPS 2020 Zhiyue Zhang, Kenneth Lange, Jason Xu

In this paper, we propose a novel framework for sparse k-means clustering that is intuitive, simple to implement, and competitive with state-of-the-art algorithms.

Clustering

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