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组合-詹森pf_jensent1,:=inttodate20110630setsysparampn_dateendt,:=ndayn日期sp_time涨幅,2specstockzf3indexidreturnpf_jensent,…
组合-超额收益率pf_excessreturnt1,:=inttodate20110630setsysparampn_dateendt,:=ndayn日期sp_time涨幅,2specstockzf3indexidreturnpf_excessreturnt,…
计算总体样本方差sp_varpexp,…
计算平均绝对偏差sp_avedevexp,…
值计算偏差平方和sp_devsqexp,…
用于toverdataex取数tdf_priceinteger,reftoverdataexrefreftdf_timeref,…
用于toverdataex取数tdf_amountinteger,reftoverdataexrefreftdf_timeref,…
用于toverdataex取数tdf_volinteger,reftoverdataexrefreftdf_timeref,…
用于toverdataex取数tdf_lbinteger,reftoverdataexrefreftdf_timeref,…
用于toverdataex取数tdf_buy1integer,…