4 papers
An Object-Oriented Spatial Statistics Approach for Human Activity Space Estimation
Haoyang Wu, Yen-Chi Chen, Adrian Dobra
Human activity spaces are shaped by individual mobility and the built environment, motivating statistical methods that integrate GPS observations with GIS representations of places…
Estimating Population Viral Load Contextual Exposure Using GPS-Derived Activity Spaces in Rural South Africa
Zhaoxing Wu, Haoyang Wu, Thulile Mathenjwa +10
This article introduces novel methodologies for estimating contextual exposure to HIV population viral load using GPS data. We propose a comprehensive analytical framework comprisi…
Estimation of Contextual Exposure to HIV from GPS Data
Haoyang Wu, Zhaoxing Wu, Thulile Mathenjwa +10
We present a comprehensive statistical methodological framework for estimating contextual exposure to HIV that includes local (grid-cell level) estimation of HIV prevalence and hum…
A statistical framework for analyzing activity pattern from GPS data
Haoyang Wu, Yen-Chi Chen, Adrian Dobra
We introduce a novel statistical framework for analyzing the GPS data of a single individual. Our approach models daily GPS observations as noisy measurements of an underlying rand…