Published on in Vol 14 (2025)

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/65968, first published .
Calibration and Validation of Machine Learning Models for Physical Behavior Characterization: Protocol and Methods for the Free-Living Physical Activity in Youth (FLPAY) Study

Calibration and Validation of Machine Learning Models for Physical Behavior Characterization: Protocol and Methods for the Free-Living Physical Activity in Youth (FLPAY) Study

Calibration and Validation of Machine Learning Models for Physical Behavior Characterization: Protocol and Methods for the Free-Living Physical Activity in Youth (FLPAY) Study

Samuel Robert LaMunion   1, 2 , PhD ;   Paul Robert Hibbing   2, 3 , PhD ;   Scott Edward Crouter   2 , PhD

1 Diabetes, Endocrinology, and Obesity Branch - Energy Metabolism Section, National Institute of Diabetes, Digestive, and Kidney Diseases, National Institutes of Health, Bethesda, MD, United States

2 Department of Kinesiology, Recreation, and Sports Studies, The University of Tennessee Knoxville, Knoxville, TN, United States

3 Department of Kinesiology and Nutrition, The University of Illinois Chicago, Chicago, IL, United States

Corresponding Author:

  • Scott Edward Crouter, PhD
  • Department of Kinesiology, Recreation, and Sports Studies
  • The University of Tennessee Knoxville
  • 1914 Andy Holt Avenue
  • HPER 343
  • Knoxville, TN 37996
  • United States
  • Phone: 1 865-974-1272
  • Email: scrouter@utk.edu