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21模型简介famafrench_regress_,tdtrtrtdcy_daytd,tdtrtrtdcy_weektd,tdtrtrtdcy_monthtd,%c8%a8%cb%b5,dvquotreturnfamafrench_regress_marketcycle,…
ata12%compoundedrateinearnings,morethana50%premiumoverthe,title1title2定义title2gk_08bkname,title1title2定义title2show_dsxg_,user大师策略账号show_dsxg_,…
averagearounda20%premiumorpeg,pergrowthrate100,title1title2定义title2gk_09bkname,title1title2定义title2show_dsxg_,user大师策略账号show_dsxg_,…
的最小二乘回归系数regress_nlm,media2024-03-20_wefcpvnqqtg5qgjaimage540,media2024-03-20_wefcpvnqqtg5qgjaimage541,imgreturnregress_vif,维减少特征数量returnregress_stepwise,…
变量的下标retquotregressquot为,因变量进行回归的结果regress_stepwise,xarrayofreala_ea,解释变量@@a_e@,实数类型@@a_d@,stklist-1dobeginsetsysparampn_stockstklist,dateendtsetsysparampn_rate1rdate,…
约束最小二乘回归regress_constraint,arrayub:=arrayreturnregress_constraint,media2024-03-20_wefcpvnqqtg5qgjaimage555,quotimg参考refregress_cmls,refregressionrefrefregress_nlm,…
每一行为一组回归系数regress_ridge,依据方差扩大因子法regress_ridge,对y的岭迹regress_ridge,:=nireturnret:=regress_ridge,//returnret:=regress_ridgey,media2024-03-20_wefcpvnqqtg5qgjaimage538,…
存在严重的多重共线性regress_vif,指标范例tcodereturnregress_vif,media2024-03-20_wefcpvnqqtg5qgjaimage580,quotimg参考refregress_stepwise,refregress_pri,refregress_ridgeref,…
回归进而消除多重共线性regress_pri,media2024-03-20_gdt50ca6svdhnvuximage1,//检验多重共线性returnregress_vif,condquotinfs:=regress_pri,media2024-03-20_gdt50ca6svdhnvuximage2,…
media2024-03-20_wefcpvnqqtg5qgjaimage556,media2024-03-20_wefcpvnqqtg5qgjaimage557,media2024-03-20_wefcpvnqqtg5qgjaimage558,media2024-03-20_wefcpvnqqtg5qgjaimage559,…