3 papers
stat.ME2025
Function on Scalar Regression with Complex Survey Designs
Lily Koffman, Sunan Gao, Xinkai Zhou +3
Large health surveys increasingly collect high-dimensional functional data from wearable devices, and function on scalar regression (FoSR) is often used to quantify the relationshi…
stat.AP2025
Walking Fingerprinting Using Wrist Accelerometry During Activities of Daily Living in NHANES
Lily Koffman, John Muschelli, Ciprian Crainiceanu
We propose a method for identifying individuals based on their continuously monitored wrist-worn accelerometry during activities of daily living. The method consists of three steps…
stat.AP2024
Comparing Step Counting Algorithms for High-Resolution Wrist Accelerometry Data in NHANES 2011-2014
Lily Koffman, Ciprian Crainiceanu, John Muschelli
Purpose: To quantify the relative performance of step counting algorithms in studies that collect free-living high-resolution wrist accelerometry data and to highlight the implicat…