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media2024-03-20_wefcpvnqqtg5qgjaimage673,media2024-03-20_wefcpvnqqtg5qgjaimage674,统计量n为样本容量time_danieltest,平稳性codesetsysparampn_dateinttodate,n:=40setsysparampn_stockquot,…
media2024-03-20_wefcpvnqqtg5qgjaimage713,media2024-03-20_wefcpvnqqtg5qgjaimage714,media2024-03-20_wefcpvnqqtg5qgjaimage715,quotimgtime_arch,的波动率//setsysparampn_stockquot,…
media2024-03-20_wefcpvnqqtg5qgjaimage752,media2024-03-20_wefcpvnqqtg5qgjaimage753,media2024-03-20_wefcpvnqqtg5qgjaimage741,2的平稳白噪声time_arma,elpsi-1returntime_arma,…
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media2024-03-20_wefcpvnqqtg5qgjaimage676,media2024-03-20_wefcpvnqqtg5qgjaimage738,media2024-03-20_wefcpvnqqtg5qgjaimage739,media2024-03-20_wefcpvnqqtg5qgjaimage740,…
取当前时间时sp_time返回,它前一个交易日而sp_time1,取序列时间时sp_time1,sp_time效果,周日returnarraysp_timedatetostrsp,timesp_time1datetostr,_time1结果,returnnday5sp_timesp_,…
用于toverdataex取数tdf_timeinteger,之间的时间序列setsysparampn_stocksz000002,d:=inttodate20110909trade_flag:=,beg_time:=,130000end_time:=strtotime,50returntoverdataextdf_timedtrade,…