Research

My research interests include statistical genomics, topic modeling, convex optimization, machine learning and causal modeling. My google scholar page is here.

Publications

In Preparation

Xiaotian Wu, Hao Wu, Zhijin Wu. "Penalized Latent Dirichlet Allocation Model in Single Cell RNA Sequencing"

Published

Genberg, Becky L, Hana Lee, Joseph W Hogan, Fatma Some, Juddy Wachira, Xiaotian K Wu, and Paula Braitstein. 2018. “Point of Diagnosis and Patient Retention in Hiv Care in Western Kenya.” JAIDS Journal of Acquired Immune Deficiency Syndromes 78 (4). LWW: 383–89.

Lee, Hana, Xiaotian K Wu, Becky L Genberg, Michael J Mugavero, Stephen R Cole, Bryan Lau, and Joseph W Hogan. 2018. “Beyond Binary Retention in Hiv Care: Predictors of the Dynamic Processes of Patient Engagement, Disengagement, and Re-Entry into Care in a Us Clinical Cohort.” AIDS (London, England).

Papas, Rebecca K, Benson N Gakinya, Michael M Mwaniki, Xiaotian K Wu, Hana Lee, Steve Martino, Debra A Klein, et al. 2018. “Associations with Unprotected Sexual Behavior Among Hiv-Infected Drinkers in Western Kenya.” AIDS and Behavior. Springer, 1–11.

Lee, Hana, Joseph W Hogan, Becky L Genberg, Xiaotian K Wu, Beverly S Musick, Ann Mwangi, and Paula Braitstein. 2018. “A State Transition Framework for Patient-Level Modeling of Engagement and Retention in Hiv Care Using Longitudinal Cohort Data.” Statistics in Medicine 37 (2): 302–19.

Li, Ling, John Hartigan, Peter Peduzzi, Peter Guarino, Alexander Beed, Xiaotian Wu, and Michael Wininger. 2018. “Clustering of Directions Improves Goodness of Fit in Kinematic Data Collected in the Transverse Plane During Robot-Assisted Rehabilitation of Stroke Patients.” Frontiers in Robotics and AI 5. Frontiers: 57.

Wu, Xiaotian, Peter Guarino, Albert C Lo, Peter Peduzzi, and Michael Wininger. 2016. “Long-Term Effectiveness of Intensive Therapy in Chronic Stroke.” Neurorehabilitation and Neural Repair 30 (6). SAGE Publications Sage CA: Los Angeles, CA: 583–90.

Presentations

Penalized Latent Dirichlet Allocation Model in Single Cell RNA Sequencing. Poster presentation at JSM 2018, Vancouver, British Columbia, Canada, July 2018

Penalized Latent Dirichlet Allocation Model in Single Cell RNA Sequencing. Oral presentation at ENAR 2018, Atlanta, GA, March 2018

A Robust Estimator for Poisson Mean with Zero-inflation and Contamination. Poster presentation at JSM 2017, Baltimore, MA, August 2017

State Space Models of Retention, Disengagement, and Re-entry into HIV Care. Oral presentation at ENAR 2017, Washington D.C., March 2017

Awards

Distinguished Student Paper Award, ENAR 2018

The Dr. Colin White Memorial Scholarship, Yale University 2014

The Joseph Lau Luen Hung Charitable Trust Scholarship, Hong Kong University of Science and Technology 2009