Refining Time-Activity Classification of Human Subjects Using the Global Positioning System - Hu, Maogui; Li, Wei; Li, Lianfa; Houston, Douglas; Wu, Jun (PloS one, 2016)
Keywords: Accelerometers; Accelerometry; Accuracy; Activities of Daily Living; Activity patterns; Adult; Air pollution; Air Pollution - analysis; Biology and Life Sciences; Cities; Classification; Computer and Information Sciences; Data analysis; Demographic aspects; Engineering and Technology; Environmental Exposure - analysis; Exercise; Geographic Information Systems; Global Positioning System; Global positioning systems; GPS; Health sciences; Highways; Human subjects; Humans; Laboratories; Land information systems; Living conditions; Mathematical models; Models, Statistical; Natural resources; Outdoor air quality; People and places; Physical fitness; Pollutants; Pollution; Pollution studies; Public health; Remote sensing; Research and Analysis Methods; Roads & highways; Satellite navigation systems; Sensitivity analysis; Smartphones; Spatial Analysis; Spatial data; Studies; Taxation; Time Factors; Walking; United States; China; Beijing China; California; United States--US