Publications

Methodological & Statistical Research
Neural networks and data-adaptive models with valid inference; longitudinal and high-dimensional modeling; reinforcement learning.

Neural Network Machine Regression (NNMR): A Deep Learning Framework for Uncovering High-order Synergistic Effects
Jiuchen Zhang, Ling Zhou, Peter Song. arXiv preprint, 2026.
arXiv

Cumulative Treatment Effect Testing under Continuous-Time Reinforcement Learning
Jiuchen Zhang, Annie Qu. arXiv preprint, 2026.
arXiv

Individualized Dynamic Latent Factor Model for Multi-resolutional Data with Application to Mobile Health
Jiuchen Zhang, Fei Xue, Qi Xu, Jung-Ah Lee, Annie Qu. Biometrika, 111(4), 1257-1275, 2024.
Journal

Tensor Factorization Recommender System with Dependency
Jiuchen Zhang, Yubai Yuan, Annie Qu. Electronic Journal of Statistics, 16(1), 2175-2205, 2022.
Journal

Manuscripts in preparation


Collaborative & Applied Research
Interdisciplinary studies in caregiving and wearable/mobile health.

Wearable Internet-of-Things Technology to Measure Sleep of Diverse Caregivers: Preliminary Results from a Randomized Controlled Trial
Jung-Ah Lee, Jiuchen Zhang, Amir Rahmani, Annie Qu. Alzheimer’s & Dementia, 20, e092479, 2024.

Improvements in Heart Rate Variability among Dementia Family Caregivers Receiving a Home-Visit Based Intervention: Preliminary Results from a Randomized Controlled Trial
Jung-Ah Lee, Jiuchen Zhang, Eilleen Sabino-Laughlin, Eunae Ju, Amir Rahmani, Annie Qu. Alzheimer’s & Dementia, 19, e077110, 2023.

Culturally and Linguistically Appropriate Home Visit Intervention for Underserved Dementia Family Caregivers: Preliminary Results from a Randomized Controlled Trial
Jung-Ah Lee, Eunae Ju, Jiuchen Zhang, Eilleen Sabino-Laughlin, Amir Rahmani, Lisa Gibbs, Sanghyuk Shin, Annie Qu, Priscilla Kehoe, Adey Nyamathi. Alzheimer’s & Dementia, 18, e058927, 2022.

Identifying Sleep Disturbance Subtypes Among Dementia Caregivers Using Unsupervised Learning
Eunbee Angela Kim, Jiuchen Zhang, Amir M. Rahmani, Sanghyuk Shin, Adeline Nyamathi, Jung-Ah Lee. Manuscript in preparation.