Circadian Rhythm Analysis Using Wearable Device Data: Novel Penalized Machine Learning Approach

Xinyue Li   ^{1, 2} , PhD ;   Michael Kane   ³ , PhD ;   Yunting Zhang   ^{2, 4} , PhD ;   Wanqi Sun   ⁵ , MD ;   Yuanjin Song   ⁵ , MD ;   Shumei Dong   ⁵ , MSc ;   Qingmin Lin   ⁵ , PhD ;   Qi Zhu   ⁵ , MSc ;   Fan Jiang   ^{4, 5} , MD, PhD ;   Hongyu Zhao   ^{3, 6} , PhD

¹ School of Data Science, City University of Hong Kong, Hong Kong, China (Hong Kong)

² Child Health Advocacy Institute, Shanghai Children’s Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China

³ Department of Biostatistics, Yale School of Public Health, New Haven, CT, United States

⁴ School of Public Health, Shanghai Jiao Tong University, Shanghai, China

⁵ Department of Developmental and Behavioral Pediatrics, Shanghai Children’s Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China

⁶ Yale Joint Center for Biostatistics, Shanghai Jiao Tong University, Shanghai, China