Department of Fundamental Course;
Air Force Logistics College;
Xuzhou;
China;
School of Statistics and Applied Mathematics;
Anhui University of Finance and Economics;
Bengbu;
China;
Fundamental Science Department;
North China Institute of Astronautic Engineering;
Langfang;
China;
Varying-Coefficient; Density-Ratio; Model; Local; Empirical; Likelihood; Outliers; Influence; Analysis;