activity
20242026
collaborators

11 papers

cs.AI2026

DSAEval: Evaluating Data Science Agents on a Wide Range of Real-World Data Science Problems

Maojun Sun, Yifei Xie, Yue Wu +5

Recent LLM-based data agents aim to automate data science tasks ranging from data analysis to deep learning. However, the open-ended nature of real-world data science problems, whi…

cs.IR2026

DARE: Aligning LLM Agents with the R Statistical Ecosystem via Distribution-Aware Retrieval

Maojun Sun, Yue Wu, Yifei Xie +5

Large Language Model (LLM) agents can automate data-science workflows, but many rigorous statistical methods implemented in R remain underused because LLMs struggle with statistica…

math.OC2025

dHPR: A Distributed Halpern Peaceman--Rachford Method for Non-smooth Distributed Optimization Problems

Zhangcheng Feng, Defeng Sun, Yancheng Yuan +1

This paper introduces the distributed Halpern Peaceman--Rachford (dHPR) method, an efficient algorithm for solving distributed convex composite optimization problems with non-smoot…

math.OC2025

On the Relationships among GPU-Accelerated First-Order Methods for Solving Linear Programming

Kaihuang Chen, Defeng Sun, Yancheng Yuan +2

This paper aims to understand the relationships among recently developed GPU-accelerated first-order methods (FOMs) for linear programming (LP), with particular emphasis on HPR-LP…

cs.AI2025

A Survey on Large Language Model-based Agents for Statistics and Data Science

Maojun Sun, Ruijian Han, Binyan Jiang +4

In recent years, data science agents powered by Large Language Models (LLMs), known as "data agents," have shown significant potential to transform the traditional data analysis pa…

math.OC2025

HPR-QP: A dual Halpern Peaceman-Rachford method for solving large-scale convex composite quadratic programming

Kaihuang Chen, Defeng Sun, Yancheng Yuan +2

In this paper, we introduce HPR-QP, a dual Halpern Peaceman-Rachford (HPR) method designed for solving large-scale convex composite quadratic programming. One distinctive feature o…