About Me

I am a doctoral student in Statistics at UCLA. My areas of interest include:

Publications/Preprints


Risk Bounds for Quantile Additive Trend Filtering.
Zhi Zhang, Kyle Ritscher, Oscar Madrid Padilla.
In Submission. link


Multivariate Time Series Forecasting By Graph Attention Networks With Theoretical Guarantees.
Zhi Zhang, Weijian Li, Han Liu.
AISTATS 2024.


Reinforcement Learning Under a Multi-agent Predictive State Representation Model: Method and Theory.
Zhi Zhang, Zhuoyan Yang, Han Liu, Furong Huang.
ICLR2022 Spotlight. link


Integrating Independent and Centralized Multi-agent Reinforcement Learning for Traffic Signal Network Optimization.
Zhi Zhang, Jiachen Yang, Hongyuan Zha.
AAMAS 2020 Extended Abstract. arXiv, code


Classification of Phonocardiogram Signals Based on Envelope Optimization Model and Support Vector Machine.
Lijun Yang, Shuang Lia, Zhi Zhang, Xiaohui Yang.
Biomedical Signal Processing and Control, April 2019. pdf


Dynamic Patterns and Predictors of Hydroxychloroquine Nonadherence Among Medicaid Beneficiaries with Systemic Lupus Erythematosus.
Candace H. Feldman, Jamie Collins, Zhi Zhang, S. V. Subramanian, Daniel H. Solomon, Ichiro Kawachi, Karen H. Costenbader.
Seminars in Arthritis and Rheumatism, WB Saunders, 2018. pubMed


Azathioprine and Mycophenolate Mofetil Adherence Patterns and Predictors Among Medicaid Beneficiaries with Systemic Lupus Erythematosus.
Candace H Feldman, Jamie Collins, Zhi Zhang, Chang Xu, S. V. Subramanian, Ichiro Kawachi, Daniel H Solomon, Karen H Costenbader.
Arthritis Care & Research, 2019. pubMed


Association of Weight Loss with Improved Disease Activity in Patients with Rheumatoid Arthritis: A Retrospective Analysis Using Electronic Medical Record Data.
David J. Kreps, Florencia Halperin, Sonali P. Desai, Zhi Zhang, Elena Losina, Amber T. Olson, Elizabeth W. Karlson, Bonnie L. Bermas, Jeffrey A. Sparks.
International Journal of Clinical Rheumatology 13, no. 1 (2018): 1. pubMed


Diet and Rheumatoid Arthritis Symptoms: Survey Results from a Rheumatoid Arthritis Registry.
SK Tedeschi, M Frits, J Cui, Zhi Zhang, T Mahmoud, C Iannaccone, TC Lin, K Yoshida, ME Weinblatt, NA Shadick, DH Solomon.
Arthritis Care & Research. 2017 Dec 1;69(12):1920-5. pubMed


Pain Sensitization is Associated with Disease Activity in Rheumatoid Arthritis Patients: A Cross-Sectional Study.
Yvonne C Lee, Clifton O Bingham III, Robert R Edwards, Wendy Marder, Kristine Phillips, Marcy B Bolster, Daniel J Clauw, Larry W Moreland, Bing Lu, Alyssa Wohlfahrt, Zhi Zhang, Tuhina Neogi.
Arthritis Care & Research. 2017 Apr 24. pubMed


Association Between Pain Sensitization and Disease Activity in Patients with Rheumatoid Arthritis: A Cross-Sectional Study.
Yvonne C Lee, Clifton O Bingham III, Robert R Edwards, Wendy Marder, Kristine Phillips, Marcy B Bolster, Daniel J Clauw, Larry W Moreland, Bing Lu, Alyssa Wohlfahrt, Zhi Zhang, Tuhina Neogi.
Arthritis Care & Research, 2018. pubMed


Direct Medical Costs for Medicare Patients with Rheumatoid Arthritis.
Andrew Hresko, Zhi Zhang, Joshua Colls, Michael E Weinblatt, Nancy A. Shadick, Daniel Solomon.
2018 ACR/ARHR Annual Meeting. link


Whole Genome Association Study of Gout in Patients with Hyperuricemia Identified Many Possible New Candidate Risk Alleles.
Jing Cui, Zhi Zhang, Elizabeth Karlson, Daniel Solomon.
2017 ACR/ARHP Annual Meeting. link


Identification of Clinically Relevant Pain Profiles in Individuals with Active RA.
Alyssa Wohlfahrt, Zhi Zhang, Bing Lu, Clifton O. Bingham III, Marcy B. Bolster, Wendy Marder, Larry W. Moreland, Kristine Phillips, Tuhina Neogi, Yvonne C. Lee.
2017 ACR/ARHP Annual Meeting. link


Prevalence of Cytopenias Associated with Low-Dose Methotrexate and Folic Acid Among Patients with RA: A Systematic Review and Meta-Analysis.
Katheeln Vinny, Zhi Zhang, Danial Soloman.
2017 ACR/ARHP Annual Meeting. link

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