52 citations · 52 across the 2 of their papers we have counts for
4 papers
Evaluating the effect of city lock-down on controlling COVID-19 propagation through deep learning and network science models
Xiaoqi Zhang, Zheng Ji, Yanqiao Zheng +2
The special epistemic characteristics of the COVID-19, such as the long incubation period and the infection through asymptomatic cases, put severe challenge to the containment of i…
A simulation-based approach to estimate joint model of longitudinal and event-time data with many missing longitudinal observations
Yanqiao Zheng, Xiaobing Zhao, Xiaoqi Zhang
Joint models of longitudinal and event-time data have been extensively studied and applied in many different fields. Estimation of joint models is challenging, most present procedu…
A novel approach to estimate the Cox model with temporal covariates and its application to medical cost data
Xiaoqi Zhang, Xiaobing Zhao, Yanqiao Zheng
We propose a novel approach to estimate the Cox model with temporal covariates. Our new approach treats the temporal covariates as arising from a longitudinal process which is mode…
Insert "Price" to Coxian Phase-Type Models: An Application to Hospital Charge and Length of Stay Data
Yanqiao Zheng, Xiaoqi Zhang
In this paper, we discuss the connection between the RGRST models (Gardiner et al 2002, Polverejan et al 2003) and the Coxian Phase-Type (CPH) models (Marshall et al 2007, Tang 201…