基金supported by the Science and Technology Research Program of Chongqing Education Commission(Grant No.KJZD-M202100801)the Fifth Batch of Excellent Talent Support Program of Chongqing Colleges and University(Grant No.68021900601)+4 种基金the Natural Science Foundation of CQ CSTC(Grant No.cstc.2018jcyjA2073)the Program for the Chongqing Statistics Postgraduate Supervisor Team(Grant No.yds183002)the Chongqing Social Science Plan Project(Grant No.2019WT59)the Open Project from Chongqing Key Laboratory of Social Economy and Applied Statistics(Grant No.KFJJ2018066)the Mathematic and Statistics Team from Chongqing Technology and Business University(Grant No.ZDPTTD201906).
