a可以可以,主要将回测函数tsfl_pb_,:=20151231tr:=tsfl_pb_,if01begtendtcy_1m0,pn_stockif01,…

以上一个a数据源为,media2024-01-03_ks01uqhu1foav0mwimage7,如果我们仅仅只需要求出a列的,e:=meanafalse0,45如果我们需要a列的,media2024-01-03_ks01uqhu1foav0mwimage11,media2024-01-03_ks01uqhu1foav0mwimage12,…

的组合以下数值的_xor或者,tdtrtrtdselect_opt_,tdtrtrtdselect_opt_,tdtrtrtdselect_opt_,t:=zeros4arrayabc,保持一致数组t:=arraya0-,…

media2024-09-25_3xnq7sqg6r0aziipimage1,二次规划求解模型aid=,prog_qa,media2024-09-25_3xnq7sqg6r0aziipimage2,…

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a在多因子,的成员方法attentiongroupdata_eachgroupattention,sh000016objfcycle:=cy_monthobj,%objgetgroupreturn1cy_day日,%objgetgroupreturn3cy_day月度,…

media2024-09-25_pmm0tume7tgiv00kimage1,的协整关系模型aid=,times_cointergration_,分析等codesetsysparampn_rate1,pn_dateinttodate,johansen协整检验模型aid=,times_johansena范例使用,…

a实参对比,范例一codesetsysparampn_bk上证,收入同比%@bk_mainincomegrowratio20130930,100returnacode//,范例二codesetsysparampn_bk上证,rdate:=20130930a:=querybk,收入同比%@bk_mainincomegrowratiordate,…

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