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Identification of linear directions in multivariate adaptive spline models

Zhang, Heping; Yu, Chang-Yung; Zhu, Hongtu; Shi, Jian - In: Journal of the American Statistical Association : JASA 98 (2003) 462, pp. 369-376

Persistent link: https://www.econbiz.de/10001785348

A latent variable model of segregation analysis for ordinal traits

Zhang, Heping; Feng, Rui; Zhu, Hongtu - In: Journal of the American Statistical Association : JASA 98 (2003) 464, pp. 1023-1034

Persistent link: https://www.econbiz.de/10001975433

Intrinsic regression models for positive-definite matrices with applications to diffusion tensor imaging

Zhu, Hongtu; Chen, Yasheng; Ibrahim, Joseph George; Li, … - In: Journal of the American Statistical Association : JASA 104 (2009) 487, pp. 1203-1212

Persistent link: https://www.econbiz.de/10003902857

Model selection criteria for missing-data problems using the EM algorithm

Ibrahim, Joseph George; Zhu, Hongtu; Tang, Niansheng - In: Journal of the American Statistical Association : JASA 103 (2008) 484, pp. 1648-1658

Persistent link: https://www.econbiz.de/10003815326

Regression models for identifying noise sources in magnetic resonance images

Zhu, Hongtu; Li, Yimei; Ibrahim, Joseph George; Shi, Xiaoyan - In: Journal of the American Statistical Association : JASA 104 (2009) 486, pp. 623-637

Persistent link: https://www.econbiz.de/10003885386

Statistical analysis of diffusion tensors in diffusion-weighted magnetic resonance imaging data

Zhu, Hongtu; Zhang, Heping; Ibrahim, Joseph George; … - In: Journal of the American Statistical Association : JASA 102 (2007) 480, pp. 1085-1102

Persistent link: https://www.econbiz.de/10003625309

Ride-hailing order dispatching at DiDi via reinforcement learning

Qin, Zhiwei; Tang, Xiaocheng; Jiao, Yan; Zhang, Fan; Xu, Zhe - In: INFORMS journal on applied analytics 50 (2020) 5, pp. 272-286

Persistent link: https://www.econbiz.de/10012804876

Ride-hailing order dispatching at DiDi via reinforcement learning

Qin, Zhiwei; Tang, Xiaocheng; Jiao, Yan; Zhang, Fan; Xu, Zhe - In: Interfaces : the INFORMS journal on the practice of … 50 (2020) 5, pp. 272-286

Persistent link: https://www.econbiz.de/10012301457

A Generalized Fluid Model of Ride-Hailing Systems

Xu, Zhengtian; Yin, Yafeng; Chao, Xiuli; Zhu, Hongtu; … - 2021

This paper proposes a macroscopic fluid modeling framework to assist with strategic decision making of a platform for operating a large-scale on-demand app-based ride-hailing system. The framework captures the spatiotemporal characteristics of a ride-hailing system, and is flexible in...

Persistent link: https://www.econbiz.de/10014090348