media2024-03-20_wefcpvnqqtg5qgjaimage236,1n1n2为自由度2f>=,为随机变量sf_ff,范例tcodef:=2n1:=,n2:=5sf_ff,76738code参考refsf_normalref,…

年前同期的年报q22在合并,的主营业务利润mainprofit_yearrdate,media2024-01-08_igyqnpdpfidoi2hcimage739,ov:=backupsystemparameters2setsysparampn_stocksz000002,:=mainprofit_year20111231,…

方程组ax=bse_choleskya,media2024-03-20_wefcpvnqqtg5qgjaimage162,media2024-03-20_wefcpvnqqtg5qgjaimage166,media2024-03-20_wefcpvnqqtg5qgjaimage162,array1000200,…

基金板块使用setsysparampn_bkbkname,为基金板块名称bk_icpercentage2rdate,td保本型tdtd2tdtr,新建分类fundarrsetsysparampn_bkquot,quotreturnbk_icpercentage220040930,…

意图与系统证券pn_stock系统,pn_date系统,pn_cycle复权,pn_rate复权,-昨收盘价昨收盘价2z=,…

一行为一组回归系数regress_ridgey,方差扩大因子法regress_ridgey,y的岭迹regress_ridgey,:=array4900502505,002616200003120351,004127600004920943,0092121000010121012,nireturnret:=regress_ridgey,…

年前同期的年报q22在合并,报告期的营业利润operatingprofit_yearrdate,media2024-01-08_igyqnpdpfidoi2hcimage739,ov:=backupsystemparameters2setsysparampn_stocksz000002,:=operatingprofit_year20111231,…

年前同期的年报q22在合并,报告期的利润总额profitbeforetax_yearrdate,media2024-01-08_igyqnpdpfidoi2hcimage739,ov:=backupsystemparameters2setsysparampn_stocksz000002,:=profitbeforetax_year20111231,…

股价曾经低于发行价格2取复权,日为复权基准日stocks_highbkname,上证a股quotreturnstocks_highs,…

media2024-03-20_wefcpvnqqtg5qgjaimage231,随机变量的数学期望平均值2为随机变量,标准差sf_normalx,0d:=1sf_normalx,5code参考refsf_tref,…