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字段则用0代替pf_inverstmentratiowp,行业代码sw801180returnpf_inverstmentratiow1,media2024-01-08_igyqnpdpfidoi2hcimage797,…
-累计收益率%pf_cumulativereturnt,:=inttodate20110630setsysparampn_stocksw801020,pn_dateendt,:=ndayn日期sp_time涨幅,…
的stdevof关键字计算pf_standarddeviationt,:=inttodate20110630setsysparampn_stocksw801020,pn_dateendt,:=ndayn日期sp_time涨幅,…
关键字计算同函数pf_stdofdown下跌,算法一样pf_semideviationt,:=inttodate20110630setsysparampn_stocksw801020,pn_dateendt,…
的stdevof关键字计算pf_stdofupt,:=inttodate20110630setsysparampn_stocksw801020,pn_dateendt,:=ndayn日期sp_time涨幅,…
关键字计算同函数pf_semideviation下方,算法一样pf_stdofdownt,:=inttodate20110630setsysparampn_stocksw801020,pn_dateendt,…
所有数据的比例pf_percentofupt,:=inttodate20110630setsysparampn_stocksw801020,pn_dateendt,:=ndayn日期sp_time涨幅,…
所有数据的比例pf_percentofdownt,:=inttodate20110630setsysparampn_stocksw801020,pn_dateendt,:=ndayn日期sp_time涨幅,…
收益率序列的平均值pf_avggaint,:=inttodate20110630setsysparampn_stocksw801020,pn_dateendt,:=ndayn日期sp_time涨幅,…
序列的平均收益pf_avggainofupt,:=inttodate20110630setsysparampn_stocksw801020,pn_dateendt,:=ndayn日期sp_time涨幅,…