supported by the Project of National Social Science Foundation of China(21BMZ018);the Philosophy and Social Science Project of Yunnan Province(YB2020093).
Objective:To explore the double psychosocial threats of the COVID-19 pandemic,targeted behavior toward Chinese Americans,and the correlates to their mental health.Methods:A quantitative,cross-sectional,and descriptive...
supported in part by the National Science Foundation of China under Grant Nos.12071305and 71803001;in part by the national social science foundation of China under Grant No.19BTJ014;in part by the University Social Science Research Project of Anhui Province under Grant No.SK2020A0051;in part by the Social Science Foundation of the Ministry of Education of China under Grant Nos.19YJCZH250 and 21YJAZH081。
Variable selection for varying coefficient models includes the separation of varying and constant effects,and the selection of variables with nonzero varying effects and those with nonzero constant effects.This paper ...
This work was supported by the National Natural Science and Technology Innovation 2030 Major Project of Ministry of Science and Technology of China(2018AAA0101200);the National Natural Science Foundation of China(61502522,61502534);the Equipment Pre-Research Field Fund(JZX7Y20190253036101);the Equipment Pre-Research Ministry of Education Joint Fund(6141A02033703);Shaanxi Provincial Natural Science Foundation(2020JQ-493);the Military Science Project of the National Social Science Fund(WJ2019-SKJJ-C-092);the Theoretical Research Foundation of Armed Police Engineering University(WJY202148).
It is difficult for the double suppression division algorithm of bee colony to solve the spatio-temporal coupling or have higher dimensional attributes and undertake sudden tasks.Using the idea of clustering,after clu...
the National Social Science Fund under Grant No.17BJY210。
This paper proposes a double penalized quantile regression for linear mixed effects model,which can select fixed and random effects simultaneously.Instead of using two tuning parameters,the proposed iterative algorith...