activity
20182022
most citedTesting unit root non-stationarity in the presence of missing data in univariate time series of mobile health studies

17 citations · 32 across the 6 of their papers we have counts for

collaborators

7 papers

stat.ME2022★ 17 cited

Testing unit root non-stationarity in the presence of missing data in univariate time series of mobile health studies

Charlotte Fowler, Xiaoxuan Cai, Justin T. Baker +2

The use of digital devices to collect data in mobile health (mHealth) studies introduces a novel application of time series methods, with the constraint of potential data missing a…

stat.ME2022★ 2 cited

State space model multiple imputation for missing data in non-stationary multivariate time series with application in digital Psychiatry

Xiaoxuan Cai, Xinru Wang, Li Zeng +6

Mobile technology enables unprecedented continuous monitoring of an individual's behavior, social interactions, symptoms, and other health conditions, presenting an enormous opport…

stat.ME2021★ 11 cited

A multistate approach for mediation analysis in the presence of semi-competing risks with application in cancer survival disparities

Linda Valeri, Cécile Proust-Lima, Weijia Fan +2

We propose a novel methodology to quantify the effect of stochastic interventions on non-terminal time-to-events that lie on the pathway between an exposure and a terminal time-to-…

stat.AP2019

A Cross-validated Ensemble Approach to Robust Hypothesis Testing of Continuous Nonlinear Interactions: Application to Nutrition-Environment Studies

Jeremiah Zhe Liu, Jane Lee, Pi-i Debby Lin +6

Gene-environment and nutrition-environment studies often involve testing of high-dimensional interactions between two sets of variables, each having potentially complex nonlinear m…

stat.ME2019★ 2 cited

Bayesian data fusion for unmeasured confounding

Leah Comment, Brent A. Coull, Corwin Zigler +1

Bayesian causal inference offers a principled approach to policy evaluation of proposed interventions on mediators or time-varying exposures. We outline a general approach to the e…

stat.AP2018

The Role of Body Mass Index at Diagnosis on Black-White Disparities in Colorectal Cancer Survival: A Density Regression Mediation Approach

Katrina L. Devick, Linda Valeri, Jarvis Chen +3

The study of racial/ethnic inequalities in health is important to reduce the uneven burden of disease. In the case of colorectal cancer (CRC), disparities in survival among non-His…