media2024-03-20_wefcpvnqqtg5qgjaimage352,media2024-03-20_wefcpvnqqtg5qgjaimage353,media2024-03-20_wefcpvnqqtg5qgjaimage354,media2024-03-20_wefcpvnqqtg5qgjaimage355,…

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样本进行快速聚类cluster_kmeanssample,ofrealnintegeroptions,一个样本数据@@n@@,391961081n:=3,输入采用默认returncluster_kmeanssample,refdistancerefrefcluster_systemref,cluster_wardref,…

给出wweight权重向量regression_wlsy,和自变量x长度都是n假设满足,i=123n用矩阵,矩阵y为因变量的n个观测,组成的n1的,015returnregression_wlsy,media2024-03-20_wefcpvnqqtg5qgjaimage530,…

的异方差检验regress_hettestspearmany,算出等级相关系数其中n为样本,系数的显著性检验在n8的,用t=n-2rs1,|t|t2n-2,constant:=0returnregress_hettestspearmany,…

阶数的相关系数time_acfy,media2024-03-20_wefcpvnqqtg5qgjaimage666,quotimg其中n为序列,media2024-03-20_wefcpvnqqtg5qgjaimage667,2753returntime_acfy,…

media2024-03-20_wefcpvnqqtg5qgjaimage673,media2024-03-20_wefcpvnqqtg5qgjaimage674,rt为秩统计量n为样本容量,平稳性codesetsysparampn_dateinttodate,n:=40setsysparampn_stockquot,…

media2024-03-20_wefcpvnqqtg5qgjaimage713,media2024-03-20_wefcpvnqqtg5qgjaimage714,media2024-03-20_wefcpvnqqtg5qgjaimage715,quotimgtime_archrseries,pn_dateinttodate20080619n:=tradedays,…

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序列是平稳的times_adftesty,可参照eviewssetsysparampn_dateinttodate,n:=40setsysparampn_stockquot,quoty:=nday3nstockzf3diff,1阶//returntimes_adftesty,…