About the Authors

Yang Li

Roles Investigation, Methodology

Affiliation School of Statistics and Data Science, Xinjiang University of Finance and Economics, Urumqi, Xinjiang, China

Xiaoxue Hu

Roles Resources, Validation

Affiliation School of Statistics and Data Science, Xinjiang University of Finance and Economics, Urumqi, Xinjiang, China

Maozai Tian

Roles Conceptualization, Funding acquisition, Supervision, Writing – review & editing

mztian@ruc.edu.cn

Affiliation Center for Applied Statistics, School of Statistics, Renmin University of China, Beijing, China

Competing Interests

Authors have no competing interests.